What is a difference between how ants and elephants primarily use grouping for survival? (1 point)
Responses
Elephants use grouping for cooperation, and ants use grouping for protection of the young.
Elephants use grouping for cooperation, and ants use grouping for protection of the young.
Elephants use grouping for better chance of mating, and ants use grouping for better access to food.
Elephants use grouping for better chance of mating, and ants use grouping for better access to food.
Ants use grouping for better chance of mating, and elephants use grouping for better access to food.
Ants use grouping for better chance of mating, and elephants use grouping for better access to food.
Ants use grouping for cooperation, and elephants use grouping for protection of the young.
74 answers
Ants use grouping for cooperation, whereas elephants use grouping for protection of the young.
Flies are scavengers and tend to break down dead organisms. Based on this information, what is a plant characteristic that would best attract flies?(1 point)
Responses
flowers that emit a sweet odor
flowers that emit a sweet odor
flowers that are light colored
flowers that are light colored
flowers that are brightly colored
flowers that are brightly colored
flowers that emit a rotten odor
Responses
flowers that emit a sweet odor
flowers that emit a sweet odor
flowers that are light colored
flowers that are light colored
flowers that are brightly colored
flowers that are brightly colored
flowers that emit a rotten odor
flowers that emit a rotten odor
Which of the following describes fertilization?(1 point)
Responses
The process of pollen moving from place to place.
The process of pollen moving from place to place.
When a sperm cell and egg cell come together.
When a sperm cell and egg cell come together.
When an animal is attracted to a flower.
When an animal is attracted to a flower.
The changes that occur in organisms over time.
The changes that occur in organisms over time.
Responses
The process of pollen moving from place to place.
The process of pollen moving from place to place.
When a sperm cell and egg cell come together.
When a sperm cell and egg cell come together.
When an animal is attracted to a flower.
When an animal is attracted to a flower.
The changes that occur in organisms over time.
The changes that occur in organisms over time.
When a sperm cell and egg cell come together.
Which behavior is both territorial and used for courtship?(1 point)
Responses
baring teeth as a sign of aggression
baring teeth as a sign of aggression
sparring or wrestling using antlers or horns
sparring or wrestling using antlers or horns
defending a nest from predators
defending a nest from predators
dance rituals with potential partners
Responses
baring teeth as a sign of aggression
baring teeth as a sign of aggression
sparring or wrestling using antlers or horns
sparring or wrestling using antlers or horns
defending a nest from predators
defending a nest from predators
dance rituals with potential partners
Dance rituals with potential partners.
Why do courtship behaviors usually happen in response to seasonal changes? (1 point)
Responses
to ensure that mating happens in optimal survival conditions
to ensure that mating happens in optimal survival conditions
to ensure that offspring do not interfere with migration season
to ensure that offspring do not interfere with migration season
to ensure that offspring are born in optimal survival conditions
to ensure that offspring are born in optimal survival conditions
to ensure that mating does not interfere with migration season
to ensure that mating does not interfere with migration season
Responses
to ensure that mating happens in optimal survival conditions
to ensure that mating happens in optimal survival conditions
to ensure that offspring do not interfere with migration season
to ensure that offspring do not interfere with migration season
to ensure that offspring are born in optimal survival conditions
to ensure that offspring are born in optimal survival conditions
to ensure that mating does not interfere with migration season
to ensure that mating does not interfere with migration season
To ensure that offspring are born in optimal survival conditions.
How does hibernation help animals survive? (1 point)
Responses
Hibernation makes access to food easier.
Hibernation makes access to food easier.
Hibernation protects the animal young from predators.
Hibernation protects the animal young from predators.
Hibernation reduces the energy required for survival.
Hibernation reduces the energy required for survival.
Hibernation increases the chances of meeting a mat
Responses
Hibernation makes access to food easier.
Hibernation makes access to food easier.
Hibernation protects the animal young from predators.
Hibernation protects the animal young from predators.
Hibernation reduces the energy required for survival.
Hibernation reduces the energy required for survival.
Hibernation increases the chances of meeting a mat
Hibernation reduces the energy required for survival.
You notice a plant in your front yard. The plant’s flowers are bright red and tube shaped. Upon closer inspection, you realize that the plant also contains nectar. What is a likely pollinator for this plant?(1 point)
Responses
a bee
a bee
a hummingbird
a hummingbird
the wind
the wind
an ant
Responses
a bee
a bee
a hummingbird
a hummingbird
the wind
the wind
an ant
A hummingbird.
Which of the following is the overall goal of all territorial behavior?(1 point)
Responses
to impress mates in order to reproduce
to impress mates in order to reproduce
to gain resources to increase success
to gain resources to increase success
to maintain access to a particular type of environment
to maintain access to a particular type of environment
to defend food sources for personal use
to defend food sources for personal use
Responses
to impress mates in order to reproduce
to impress mates in order to reproduce
to gain resources to increase success
to gain resources to increase success
to maintain access to a particular type of environment
to maintain access to a particular type of environment
to defend food sources for personal use
to defend food sources for personal use
To gain resources to increase success.
Birds use courtship behaviors to attract a mate, which improves their reproductive success. Which courtship behavior also improves their chances of survival?(1 point)
Responses
Male sage grouse, normally camouflaged by their dull coloring, dance and call out in the open to attract nearby females.
Male sage grouse, normally camouflaged by their dull coloring, dance and call out in the open to attract nearby females.
Male mockingbirds can sing 200 different songs, mocking sounds around them in order to attract females and defend their territory.
Male mockingbirds can sing 200 different songs, mocking sounds around them in order to attract females and defend their territory.
Male golden eagles dive at nearly 200 miles per hour and catch sticks in midair as an elaborate courtship and territorial display.
Male golden eagles dive at nearly 200 miles per hour and catch sticks in midair as an elaborate courtship and territorial display.
Male birds with bright colors have to preen frequently in order to maintain their feathers and keep pests away so they can attract mates.
Male birds with bright colors have to preen frequently in order to maintain their feathers and keep pests away so they can attract mates.
Responses
Male sage grouse, normally camouflaged by their dull coloring, dance and call out in the open to attract nearby females.
Male sage grouse, normally camouflaged by their dull coloring, dance and call out in the open to attract nearby females.
Male mockingbirds can sing 200 different songs, mocking sounds around them in order to attract females and defend their territory.
Male mockingbirds can sing 200 different songs, mocking sounds around them in order to attract females and defend their territory.
Male golden eagles dive at nearly 200 miles per hour and catch sticks in midair as an elaborate courtship and territorial display.
Male golden eagles dive at nearly 200 miles per hour and catch sticks in midair as an elaborate courtship and territorial display.
Male birds with bright colors have to preen frequently in order to maintain their feathers and keep pests away so they can attract mates.
Male birds with bright colors have to preen frequently in order to maintain their feathers and keep pests away so they can attract mates.
Male birds with bright colors have to preen frequently in order to maintain their feathers and keep pests away so they can attract mates.
Which statement is true?(1 point)
Responses
Ladybugs have only a few offspring, while humans have many.
Ladybugs have only a few offspring, while humans have many.
Humans expend energy and time to care for offspring, while ladybugs do not.
Humans expend energy and time to care for offspring, while ladybugs do not.
Both ladybugs and humans expend energy and time to care for their offspring.
Both ladybugs and humans expend energy and time to care for their offspring.
Both ladybugs and humans have only a few offspring.
Responses
Ladybugs have only a few offspring, while humans have many.
Ladybugs have only a few offspring, while humans have many.
Humans expend energy and time to care for offspring, while ladybugs do not.
Humans expend energy and time to care for offspring, while ladybugs do not.
Both ladybugs and humans expend energy and time to care for their offspring.
Both ladybugs and humans expend energy and time to care for their offspring.
Both ladybugs and humans have only a few offspring.
Both ladybugs and humans expend energy and time to care for their offspring.
In which form of reproduction will pieces of the parent develop into identical copies of the parent? (1 point)
Responses
binary fission
binary fission
budding
budding
fragmentation
fragmentation
vegetative reproduction
Responses
binary fission
binary fission
budding
budding
fragmentation
fragmentation
vegetative reproduction
Vegetative reproduction.
Many fungi, algae and some plants reproduce asexually by producing a reproductive cell. Which process describes this type of asexual reproduction?(1 point)
Responses
binary fission
binary fission
agamogenesis
agamogenesis
fragmentation
fragmentation
creating spores
Responses
binary fission
binary fission
agamogenesis
agamogenesis
fragmentation
fragmentation
creating spores
Creating spores.
Which process would lead to offspring with the exact same genetic information as the parent? (1 point)
Responses
A bacterium splitting in two.
A bacterium splitting in two.
A tree growing from the stump of another tree.
A tree growing from the stump of another tree.
A bird laying an egg.
A bird laying an egg.
A plant growing from a seed.
Responses
A bacterium splitting in two.
A bacterium splitting in two.
A tree growing from the stump of another tree.
A tree growing from the stump of another tree.
A bird laying an egg.
A bird laying an egg.
A plant growing from a seed.
A bacterium splitting in two.
Some flatworms reproduce through fragmentation. What is a disadvantage of this method? (1 point)
Responses
It is a process that leads to lower genetic diversity than sexual reproduction.
It is a process that leads to lower genetic diversity than sexual reproduction.
It is a process that does not result in many offspring relative to sexual reproduction.
It is a process that does not result in many offspring relative to sexual reproduction.
It is a very slow process relative to sexual reproduction.
It is a very slow process relative to sexual reproduction.
It is a much more complex process than sexual reproduction.
Responses
It is a process that leads to lower genetic diversity than sexual reproduction.
It is a process that leads to lower genetic diversity than sexual reproduction.
It is a process that does not result in many offspring relative to sexual reproduction.
It is a process that does not result in many offspring relative to sexual reproduction.
It is a very slow process relative to sexual reproduction.
It is a very slow process relative to sexual reproduction.
It is a much more complex process than sexual reproduction.
It is a process that leads to lower genetic diversity than sexual reproduction.
In bacteria, binary fission can be modeled in(1 point)
Responses
two stages.
two stages.
one stage.
one stage.
four stages.
four stages.
three stages.
Responses
two stages.
two stages.
one stage.
one stage.
four stages.
four stages.
three stages.
One stage.
The process by which a modified stem or root of a parent plant grows offspring that remain attached is called(1 point)
Responses
binary fission.
binary fission.
fragmentation.
fragmentation.
tuber reproduction.
tuber reproduction.
vegetative reproduction.
vegetative reproduction.
Responses
binary fission.
binary fission.
fragmentation.
fragmentation.
tuber reproduction.
tuber reproduction.
vegetative reproduction.
vegetative reproduction.
Vegetative reproduction.
Without external forces, the third generation of a bacterium and the original parent cell will have approximately ________ matching DNA sequences.(1 point)
Responses
12.5%
12.5%
33%
33%
100%
100%
25%
Responses
12.5%
12.5%
33%
33%
100%
100%
25%
100%
An established bacterial community is exposed to a dark environment for several days. Bacteria that require light to reproduce will show _________ compared to bacteria that do not require light to reproduce. (1 point)
Responses
lack of growth
lack of growth
the same amount of growth
the same amount of growth
more growth
more growth
uncontrollable growth
Responses
lack of growth
lack of growth
the same amount of growth
the same amount of growth
more growth
more growth
uncontrollable growth
Lack of growth.
Simplify the expression.
(h+12)+(p+24)
(1 point)
Responses
hp+36
h p plus 36
h+p+36
h plus p plus 36
hp+288
h p plus 288
12h+24p
(h+12)+(p+24)
(1 point)
Responses
hp+36
h p plus 36
h+p+36
h plus p plus 36
hp+288
h p plus 288
12h+24p
h+p+36
Simplify the expression.
9/4x+4+2x
(1 point)
Responses
15x+12
15 x plus 12
5x+4
5 x plus 4
x+4
x plus 4
113x+4
9/4x+4+2x
(1 point)
Responses
15x+12
15 x plus 12
5x+4
5 x plus 4
x+4
x plus 4
113x+4
11/3x + 4
Simplify the expression.
(5y−1)+(−2y+4)
(1 point)
Responses
3y−5
3 y minus 5
7y+3
7 y plus 3
3y+3
3 y plus 3
7y−5
(5y−1)+(−2y+4)
(1 point)
Responses
3y−5
3 y minus 5
7y+3
7 y plus 3
3y+3
3 y plus 3
7y−5
3y+3
Simplify the expression.
(3/4x−1)+(3/4x−2)
(1 point)
Responses
1
1
34x+1
3 fourths x plus 1
-3
-3
32x−3
(3/4x−1)+(3/4x−2)
(1 point)
Responses
1
1
34x+1
3 fourths x plus 1
-3
-3
32x−3
3/2x - 3
Simplify the expression.
7x+3(x−2)−4x+8
(1 point)
Responses
6x+14
6 x plus 14
6x+2
6 x plus 2
14x+2
14 x plus 2
14x+14
7x+3(x−2)−4x+8
(1 point)
Responses
6x+14
6 x plus 14
6x+2
6 x plus 2
14x+2
14 x plus 2
14x+14
7x + 3(x - 2) - 4x + 8 simplifies to:
6x + 6.
6x + 6.
Simplify the expression.
(3x−8)+(2x+5)−(4x−8)
(1 point)
Responses
9x−11
9 x minus 11
x+5
x plus 5
9x+5
9 x plus 5
x−11
(3x−8)+(2x+5)−(4x−8)
(1 point)
Responses
9x−11
9 x minus 11
x+5
x plus 5
9x+5
9 x plus 5
x−11
3x - 8 + 2x + 5 - (4x - 8) simplifies to:
x + 5.
x + 5.
Which expression is equivalent to 2.2−0.5(0.6x−1.8)
?(1 point)
Responses
1.3−0.3x
1 point 3 minus 0 point 3 x
0.3x+1.3
0 point 3 x plus 1 point 3
0.3x+3.1
0 point 3 x plus 3 point 1
3.1−0.3x
?(1 point)
Responses
1.3−0.3x
1 point 3 minus 0 point 3 x
0.3x+1.3
0 point 3 x plus 1 point 3
0.3x+3.1
0 point 3 x plus 3 point 1
3.1−0.3x
2.2 - 0.5(0.6x - 1.8) simplifies to:
3.1 - 0.3x.
3.1 - 0.3x.
Simplify.
−6(1/4x−2/3x+5/6x)
(1 point)
Responses
−x
negative x
−212x
negative 2 and 1 half x
34x
3 fourths x
2x
−6(1/4x−2/3x+5/6x)
(1 point)
Responses
−x
negative x
−212x
negative 2 and 1 half x
34x
3 fourths x
2x
-6(1/4x - 2/3x + 5/6x) simplifies to:
-212x.
-212x.
Simplify.
−1/2(−6x+3)
(1 point)
Responses
−3x−3
negative 3 x minus 3
−3x+32
negative 3 x plus 3 halves
3x+3
3 x plus 3
3x−32
−1/2(−6x+3)
(1 point)
Responses
−3x−3
negative 3 x minus 3
−3x+32
negative 3 x plus 3 halves
3x+3
3 x plus 3
3x−32
-1/2(-6x + 3) simplifies to:
3x - 3.
3x - 3.
Simplify.
11−9(−2x−3)
(1 point)
Responses
−4x−6
negative 4 x minus 6
18x−38
18 x minus 38
−4x+6
negative 4 x plus 6
18x+38
11−9(−2x−3)
(1 point)
Responses
−4x−6
negative 4 x minus 6
18x−38
18 x minus 38
−4x+6
negative 4 x plus 6
18x+38
11 - 9(-2x - 3) simplifies to:
18x + 38.
18x + 38.
Factor this expression completely.
35x−40
(1 point)
Responses
7(5x+8)
7 times open paren 5 x plus 8 close paren
7(5x−8)
7 times open paren 5 x minus 8 close paren
5(7x+8)
5 times open paren 7 x plus 8 close paren
5(7x−8)
5 times open paren 7 x minus 8 close paren
35x−40
(1 point)
Responses
7(5x+8)
7 times open paren 5 x plus 8 close paren
7(5x−8)
7 times open paren 5 x minus 8 close paren
5(7x+8)
5 times open paren 7 x plus 8 close paren
5(7x−8)
5 times open paren 7 x minus 8 close paren
The expression 35x - 40 can be factored as:
5(7x - 8).
5(7x - 8).
Factor the expression completely.
45x−18y+36
(1 point)
Responses
5(9x−2y+4)
5 times open paren 9 x minus 2 y plus 4 close paren
−9(5x+2y+4)
negative 9 times open paren 5 x plus 2 y plus 4 close paren
9(5x−2y+4)
9 times open paren 5 x minus 2 y plus 4 close paren
9y(5x−2y+4)
45x−18y+36
(1 point)
Responses
5(9x−2y+4)
5 times open paren 9 x minus 2 y plus 4 close paren
−9(5x+2y+4)
negative 9 times open paren 5 x plus 2 y plus 4 close paren
9(5x−2y+4)
9 times open paren 5 x minus 2 y plus 4 close paren
9y(5x−2y+4)
The expression 45x - 18y + 36 can be factored as:
9(5x - 2y + 4).
9(5x - 2y + 4).
actor this expression completely.
−21x+28
(1 point)
Responses
−7(3x−4)
negative 7 times open paren 3 x minus 4 close paren
−7(3x+4)
negative 7 times open paren 3 x plus 4 close paren
7(3x−4)
7 times open paren 3 x minus 4 close paren
−(21x−4)
−21x+28
(1 point)
Responses
−7(3x−4)
negative 7 times open paren 3 x minus 4 close paren
−7(3x+4)
negative 7 times open paren 3 x plus 4 close paren
7(3x−4)
7 times open paren 3 x minus 4 close paren
−(21x−4)
The expression -21x + 28 can be factored as:
-7(3x - 4).
-7(3x - 4).
Which factorization is equivalent to this expression?
−42k−54
(1 point)
Responses
−6(7k−9)
negative 6 times open paren 7 k minus 9 close paren
6(−7k+9)
6 times open paren negative 7 k plus 9 close paren
−6(7k+9)
negative 6 times open paren 7 k plus 9 close paren
6(7k+9)
−42k−54
(1 point)
Responses
−6(7k−9)
negative 6 times open paren 7 k minus 9 close paren
6(−7k+9)
6 times open paren negative 7 k plus 9 close paren
−6(7k+9)
negative 6 times open paren 7 k plus 9 close paren
6(7k+9)
The factorization equivalent to the expression -42k - 54 is:
-6(7k + 9).
-6(7k + 9).
Factor the expression completely.
100x+1000
(1 point)
Responses
10(10x+100)
10 times open paren 10 x plus 100 close paren
100(x+10)
100 times open paren x plus 10 close paren
100(x+100)
100 times open paren x plus 100 close paren
1000(10x+1)
100x+1000
(1 point)
Responses
10(10x+100)
10 times open paren 10 x plus 100 close paren
100(x+10)
100 times open paren x plus 10 close paren
100(x+100)
100 times open paren x plus 100 close paren
1000(10x+1)
The expression 100x + 1000 can be factored as:
100(x + 10).
100(x + 10).
Simplify.
3−(4x−5)+6
(1 point)
Responses
−4x+14
negative 4 x plus 14
4x+4
4 x plus 4
12x+21
12 x plus 21
−4x+4
3−(4x−5)+6
(1 point)
Responses
−4x+14
negative 4 x plus 14
4x+4
4 x plus 4
12x+21
12 x plus 21
−4x+4
3 - (4x - 5) + 6 simplifies to:
12 + 4x.
12 + 4x.
Ella Grace bought 5 plants for her backyard for $20 each and 3 chairs for her firepit for $20 each. She used this expression to calculate the total amount she spent.
(5⋅20)+(3⋅20)
What is another expression to calculate the total amount spent?
(1 point)
Responses
5⋅(20+3)
5 times open paren 20 plus 3 close paren
(5+3)⋅20
open paren 5 plus 3 close paren times 20
(5+20)⋅(3+20)
open paren 5 plus 20 close paren times open paren 3 plus 20 close paren
5⋅20⋅3
5 times 20 times 3
(5⋅20)+(3⋅20)
What is another expression to calculate the total amount spent?
(1 point)
Responses
5⋅(20+3)
5 times open paren 20 plus 3 close paren
(5+3)⋅20
open paren 5 plus 3 close paren times 20
(5+20)⋅(3+20)
open paren 5 plus 20 close paren times open paren 3 plus 20 close paren
5⋅20⋅3
5 times 20 times 3
Another expression to calculate the total amount spent is:
(5 + 3) * 20.
(5 + 3) * 20.
Which number sentence shows how the distributive property can be used to represent the area of the entire rectangle (both rectangles together)?
(1 point)
Responses
(9+6)⋅(9+11)
open paren 9 plus 6 close paren times open paren 9 plus 11 close paren
9⋅6⋅11
9 times 6 times 11
11(6+9)
11 times open paren 6 plus 9 close paren
(9⋅6)+(9⋅11)
open paren 9 times 6 close paren plus open paren 9 times 11 close paren
Skip to navigation
(1 point)
Responses
(9+6)⋅(9+11)
open paren 9 plus 6 close paren times open paren 9 plus 11 close paren
9⋅6⋅11
9 times 6 times 11
11(6+9)
11 times open paren 6 plus 9 close paren
(9⋅6)+(9⋅11)
open paren 9 times 6 close paren plus open paren 9 times 11 close paren
Skip to navigation
(9 + 6) * (9 + 11)
Charity and Sabria both are nail artists. Charity charges $75 for a set of nails with designs and Sabria charges $70 for the same type set of nails. This week Charity made an additional $65 in tips and Sabria made an additional $95 in tips. Given that C and S represent the number of sets of nails completed by Charity (C) and Sabria (S), which expression can be used to represent their combined earnings for the week.(1 point)
Responses
145CS + 160
145CS + 160
145(C + S) + 160
145(C + S) + 160
75C + 70S + 160
75C + 70S + 160
65C + 70S + 160
Responses
145CS + 160
145CS + 160
145(C + S) + 160
145(C + S) + 160
75C + 70S + 160
75C + 70S + 160
65C + 70S + 160
75C + 70S + 160
Christine(C) and Ty(T) save quarters in a jar together. The jar had $28 in it, then Christine put in C quarters and Ty put in T quarters. Which expression can be used to represent the amount of money in the bank now?(1 point)
Responses
CT + 28
CT + 28
0.50(C + T) + 28
0.50(C + T) + 28
0.25C + 0.25T + 28
0.25C + 0.25T + 28
0.25FJ + 28
Responses
CT + 28
CT + 28
0.50(C + T) + 28
0.50(C + T) + 28
0.25C + 0.25T + 28
0.25C + 0.25T + 28
0.25FJ + 28
2 answers