What is the primary purpose of meiosis?(1 point)

Question

Responses

Produce gametes
Produce gametes

Replace old cells
Replace old cells

Grow new tissues
Grow new tissues

Repair damaged cells
Repair damaged cells
Question 2
How many daughter cells are produced in meiosis?(1 point)
Responses

2
2

3
3

4
4

1
1
Question 3
Crossing over occurs during which phase of meiosis?(1 point)
Responses

Anaphase I
Anaphase I

Prophase I
Prophase I

Telophase I
Telophase I

Metaphase I
Metaphase I
Question 4
Which cells are haploid?(1 point)
Responses

Nerve cells
Nerve cells

Muscle cells
Muscle cells

Gametes
Gametes

Somatic cells
Somatic cells
Question 5
How is genetic variation introduced during meiosis?(1 point)
Responses

Through mitosis
Through mitosis

Through mutations
Through mutations

Through binary fission
Through binary fission

Through crossing over and independent assortment
Through crossing over and independent assortment
Question 6
In a karyotype, how are chromosomes arranged?(1 point)
Responses

By function
By function

By the order they were discovered
By the order they were discovered

By size and shape
By size and shape

By color
By color
Question 7
How many chromosomes are present in a human karyotype?(1 point)
Responses

22
22

46
46

23
23

44
44
Question 8
Which biological process removes carbon dioxide from the atmosphere?(1 point)
Responses

Deforestation
Deforestation

Photosynthesis
Photosynthesis

Burning fossil fuels
Burning fossil fuels

Cellular respiration
Cellular respiration
Question 9
An excess of carbon or nitrogen in an ecosystem can cause the ecosystem stability to be hindered.(1 point)
Responses

True
True

False
False
Question 10
What term describes organisms that produce their own food using sunlight?(1 point)
Responses

Autotrophs
Autotrophs

Hetertrophs
Hetertrophs

Herbivores
Herbivores

Carnivores
Carnivores
Question 11
Which of the following represents a primary consumer?

(1 point)
Responses

Choice A
Choice A

Choice B
Choice B

Choice C
Choice C

Choice D
Choice D
Question 12
What is the role of the mushroom in this food web?

(1 point)
Responses

Primary consumer
Primary consumer

Secondary consumer
Secondary consumer

Decomposer
Decomposer

Producer
Producer
Question 13
What term describes organisms that feed on both plants and animals?(1 point)
Responses

Herbivores
Herbivores

Decomposers
Decomposers

Carnivores
Carnivores

Omnivores
Omnivores
Question 14
What is the 10% rule in ecology?(1 point)
Responses

Only 10% of an ecosystem's energy is lost as heat.
Only 10% of an ecosystem's energy is lost as heat.

Only 10% of an organism's energy is used for growth and reproduction.
Only 10% of an organism's energy is used for growth and reproduction.

Only 10% of the energy at one trophic level is transferred to the next trophic level.
Only 10% of the energy at one trophic level is transferred to the next trophic level.

Only 10% of the energy in an ecosystem is stored in the form of biomass.
Only 10% of the energy in an ecosystem is stored in the form of biomass.
Question 15
Which of the following is the correct sequence of stages in cellular respiration?(1 point)
Responses

Electron transport chain, Glycolysis, Krebs cycle
Electron transport chain, Glycolysis, Krebs cycle

Glycolysis, Krebs cycle, Electron transport chain
Glycolysis, Krebs cycle, Electron transport chain

Glycolysis, Electron transport chain, Krebs cycle
Glycolysis, Electron transport chain, Krebs cycle

Krebs cycle, Glycolysis, Electron transport chain
Krebs cycle, Glycolysis, Electron transport chain
Question 16
How is carbon recycled through the processes of photosynthesis and cellular respiration?(1 point)
Responses

Both plants and animals convert carbon dioxide into oxygen, which is then used by other organisms.
Both plants and animals convert carbon dioxide into oxygen, which is then used by other organisms.

Animals convert carbon dioxide into glucose during cellular respiration, and plants release carbon dioxide back into the atmosphere during photosynthesis.
Animals convert carbon dioxide into glucose during cellular respiration, and plants release carbon dioxide back into the atmosphere during photosynthesis.

Plants convert carbon dioxide into glucose during photosynthesis, and animals release carbon dioxide back into the atmosphere during cellular respiration.
Plants convert carbon dioxide into glucose during photosynthesis, and animals release carbon dioxide back into the atmosphere during cellular respiration.

Plants take in carbon dioxide and release oxygen, while animals take in oxygen and release carbon dioxide.
Plants take in carbon dioxide and release oxygen, while animals take in oxygen and release carbon dioxide.
Question 17
DDT is an example of a substance that biomagnifies. It was historically used as:(1 point)
Responses

A fungicide
A fungicide

A fertilizer
A fertilizer

A herbicide
A herbicide

A pesticide
A pesticide
Question 18
What is the role of decomposers in an ecosystem?(1 point)
Responses

They eat primary producers.
They eat primary producers.

They produce energy from sunlight.
They produce energy from sunlight.

They recycle nutrients back into the ecosystem.
They recycle nutrients back into the ecosystem.

They are top-level predators.
They are top-level predators.
Question 19
Which trophic level typically has the least amount of energy available?(1 point)
Responses

Producers
Producers

Secondary consumers
Secondary consumers

Primary consumers
Primary consumers

Tertiary consumers
Tertiary consumers
Question 20
Who is known as the father of modern taxonomy and developed the binomial nomenclature system?(1 point)
Responses

Alfred Russel Wallace
Alfred Russel Wallace

Charles Darwin
Charles Darwin

Carl Linnaeus
Carl Linnaeus

Gregor Mendel
Gregor Mendel
Question 21
The African elephant belongs to the genus Loxodonta and the species Africana. Which of the following is the correct scientific name for the African elephant.(1 point)
Responses

Loxodonta africana
Loxodonta africana

Africana Loxodonta
Africana Loxodonta

Loxodonta Africana
Loxodonta Africana

Africana loxodonta
Africana loxodonta
Question 22
What does this image represent?

(1 point)
Responses

Cladogram
Cladogram

Binomial nomenclature
Binomial nomenclature

Family tree
Family tree

Dichotomous key
Dichotomous key
Question 23
Rust fungi live on plants and feed on them to obtain nutrients. They reproduce on plants and live their entire lives on them, potentially causing disease in their host plant. This is an example of:(1 point)
Responses

Mutualism
Mutualism

Commensalism
Commensalism

Predator-Prey
Predator-Prey

Parasitism
Parasitism
Question 24
Clownfish live among the stinging tentacles of anemones, which protect them from predators. In return, the clownfish may chase away predators of the anemone. What type of relationship is this?(1 point)
Responses

Predation
Predation

Mutualism
Mutualism

Commensalism
Commensalism

Parasitism
Parasitism
Question 25
A dead tree is home to many organisms, including fungi, insects, and some small animals. This is an example of a(n)(1 point)
Responses

Community
Community

Species
Species

Population
Population

Ecosystem
Ecosystem
Question 26
In a mountain forest, mountain lions primarily feed on deer. What is the most likely outcome if the mountain lion population vanishes?(1 point)
Responses

The deer population will be more susceptible to disease
The deer population will be more susceptible to disease

The deer population will increase
The deer population will increase

The deer population will be balanced
The deer population will be balanced

The deer population will decrease
The deer population will decrease
Question 27
Which of the following would not decrease the biodiversity of an ecosystem?(1 point)
Responses

Lack of mates
Lack of mates

Abundance of food
Abundance of food

Lack of space
Lack of space

Negative changes in air quality
Negative changes in air quality
Question 28
When a population exceeds its carrying capacity, what is likely to happen?(1 point)
Responses

Competition decreases
Competition decreases

Resource availability decreases
Resource availability decreases

Population growth rate increases
Population growth rate increases

Predation decreases
Predation decreases
Question 29
What is a natural selection?(1 point)
Responses

The random change in allele frequencies in a population.
The random change in allele frequencies in a population.

A process by which organisms with preferred traits are more likely to survive and reproduce.
A process by which organisms with preferred traits are more likely to survive and reproduce.

The movement of alleles between populations.
The movement of alleles between populations.

The creation of new genetic material.
The creation of new genetic material.
Question 30
Which of the following represents the difference between intraspecific competition and interspecific competition?(1 point)
Responses

Intraspecific competition occurs between individuals of the same species, while interspecific competition occurs between individuals of different species.
Intraspecific competition occurs between individuals of the same species, while interspecific competition occurs between individuals of different species.

Intraspecific competition is always beneficial, while interspecific competition is always detrimental.
Intraspecific competition is always beneficial, while interspecific competition is always detrimental.

Intraspecific competition reduces the availability of resources, while interspecific competition increases the availability of resources.
Intraspecific competition reduces the availability of resources, while interspecific competition increases the availability of resources.

Intraspecific competition affects the population of a different species, while interspecific competition affects the population of the same species.

Answer 1

Here are the answers to your questions:

Question 1: What is the primary purpose of meiosis?

• Produce gametes

Question 2: How many daughter cells are produced in meiosis?

• 4

Question 3: Crossing over occurs during which phase of meiosis?

• Prophase I

Question 4: Which cells are haploid?

• Gametes

Question 5: How is genetic variation introduced during meiosis?

• Through crossing over and independent assortment

Question 6: In a karyotype, how are chromosomes arranged?

• By size and shape

Question 7: How many chromosomes are present in a human karyotype?

• 46

Question 8: Which biological process removes carbon dioxide from the atmosphere?

• Photosynthesis

Question 9: An excess of carbon or nitrogen in an ecosystem can cause the ecosystem stability to be hindered.

• True

Question 10: What term describes organisms that produce their own food using sunlight?

• Autotrophs

Question 11: Which of the following represents a primary consumer?

• (Choose the correct answer based on provided choices, if no context is given, I cannot answer this without the choices' description)

Question 12: What is the role of the mushroom in this food web?

• Decomposer

Question 13: What term describes organisms that feed on both plants and animals?

• Omnivores

Question 14: What is the 10% rule in ecology?

• Only 10% of the energy at one trophic level is transferred to the next trophic level.

Question 15: Which of the following is the correct sequence of stages in cellular respiration?

• Glycolysis, Krebs cycle, Electron transport chain

Question 16: How is carbon recycled through the processes of photosynthesis and cellular respiration?

• Plants convert carbon dioxide into glucose during photosynthesis, and animals release carbon dioxide back into the atmosphere during cellular respiration.

Question 17: DDT is an example of a substance that biomagnifies. It was historically used as:

• A pesticide

Question 18: What is the role of decomposers in an ecosystem?

• They recycle nutrients back into the ecosystem.

Question 19: Which trophic level typically has the least amount of energy available?

• Tertiary consumers

Question 20: Who is known as the father of modern taxonomy and developed the binomial nomenclature system?

• Carl Linnaeus

Question 21: The African elephant belongs to the genus Loxodonta and the species Africana. Which of the following is the correct scientific name for the African elephant?

• Loxodonta africana

Question 22: What does this image represent?

• (Again, I cannot provide an answer without seeing the image. Please choose the correct answer based on what you see.)

Question 23: Rust fungi live on plants and feed on them to obtain nutrients. They reproduce on plants and live their entire lives on them, potentially causing disease in their host plant. This is an example of:

• Parasitism

Question 24: Clownfish live among the stinging tentacles of anemones, which protect them from predators. In return, the clownfish may chase away predators of the anemone. What type of relationship is this?

• Mutualism

Question 25: A dead tree is home to many organisms, including fungi, insects, and some small animals. This is an example of a(n):

• Ecosystem

Question 26: In a mountain forest, mountain lions primarily feed on deer. What is the most likely outcome if the mountain lion population vanishes?

• The deer population will increase

Question 27: Which of the following would not decrease the biodiversity of an ecosystem?

• Abundance of food

Question 28: When a population exceeds its carrying capacity, what is likely to happen?

• Resource availability decreases

Question 29: What is natural selection?

• A process by which organisms with preferred traits are more likely to survive and reproduce.

Question 30: Which of the following represents the difference between intraspecific competition and interspecific competition?

• Intraspecific competition occurs between individuals of the same species, while interspecific competition occurs between individuals of different species.

Feel free to ask if you have more questions!