Which of the following best describes biological evolution?(1 point)

Question

Responses

Changes in the inherited traits of a population over many generations
Changes in the inherited traits of a population over many generations

The process of adapting to new environments during an organism's lifetime
The process of adapting to new environments during an organism's lifetime

The process of creating a new species between two different species
The process of creating a new species between two different species

The development of an organism from birth to adulthood.
The development of an organism from birth to adulthood.
Question 2
An adaptation is: (1 point)
Responses

An accidental mutation with no benefits
An accidental mutation with no benefits

A trait that increases an organism's fitness in its environment
A trait that increases an organism's fitness in its environment

A behavior learned during an organism's lifetime
A behavior learned during an organism's lifetime

A temporary change in an organism
A temporary change in an organism
Question 3
Which of the following best describes intraspecific competition?(1 point)
Responses

A Venus flytrap capturing a fly for nutrients
A Venus flytrap capturing a fly for nutrients

Lions competing with zebras for food on the savanna
Lions competing with zebras for food on the savanna

Mistletoe growing on a tree branch and stealing nutrients
Mistletoe growing on a tree branch and stealing nutrients

Two male deer locking antlers to fight for a mate
Two male deer locking antlers to fight for a mate
Question 4
Natural selection is best described as: (1 point)
Responses

The accidental changes in the DNA sequence of an organism
The accidental changes in the DNA sequence of an organism

The mechanism where traits with an advantage become more common in a population
The mechanism where traits with an advantage become more common in a population

A random process leading to the survival of the strongest organisms
A random process leading to the survival of the strongest organisms

The process by which organisms are artificially selected by humans
The process by which organisms are artificially selected by humans
Question 5
Two closely related bird species nest in the same trees. They both eat insects. This is an example of:(1 point)
Responses

Commensalism
Commensalism

Parasitism
Parasitism

Mutualism
Mutualism

Interspecific competition
Interspecific competition
Question 6
Speciation is the process by which:(1 point)
Responses

New species arise from existing species
New species arise from existing species

Species evolve to become more similiar
Species evolve to become more similiar

Species migrate to new habitats
Species migrate to new habitats

Species become extinct
Species become extinct
Question 7
Which of the following is an example of reproductive isolation?(1 point)
Responses

Gene flow between two populations of fish
Gene flow between two populations of fish

Inability of two different frog species to produce fertile offspring
Inability of two different frog species to produce fertile offspring

Similar mating calls in two populations of crickets
Similar mating calls in two populations of crickets

Two populations of birds living in different areas
Two populations of birds living in different areas
Question 8
The founder effect is a type of genetic drift that occurs when:(1 point)
Responses

A population is reduced by a natural disaster
A population is reduced by a natural disaster

A small group of individuals colonizes a new habitat
A small group of individuals colonizes a new habitat

Natural selection favors certain alleles
Natural selection favors certain alleles

There is a high mutation rate in a population
There is a high mutation rate in a population
Question 9
The phrase "survival of the fittest" refers to:(1 point)
Responses

The survival and reproduction of individuals best adapted to their environment
The survival and reproduction of individuals best adapted to their environment

The competition between individuals of the same species
The competition between individuals of the same species

The process by which new species are created
The process by which new species are created

The survival of the strongest individuals
The survival of the strongest individuals
Question 10
The competitive exclusion principle states that:(1 point)
Responses

Species evolve more rapidly under competitive pressure
Species evolve more rapidly under competitive pressure

Two species competing for the same resource cannot coexist in the same place at the same time
Two species competing for the same resource cannot coexist in the same place at the same time

Predation prevents competition between species
Predation prevents competition between species

Two species can coexist if they have identical niches

Answer 1

Here are the answers to the questions provided:

Question 1 Which of the following best describes biological evolution?

• Changes in the inherited traits of a population over many generations

Question 2 An adaptation is:

• A trait that increases an organism's fitness in its environment

Question 3 Which of the following best describes intraspecific competition?

• Two male deer locking antlers to fight for a mate

Question 4 Natural selection is best described as:

• The mechanism where traits with an advantage become more common in a population

Question 5 Two closely related bird species nest in the same trees. They both eat insects. This is an example of:

• Interspecific competition

Question 6 Speciation is the process by which:

• New species arise from existing species

Question 7 Which of the following is an example of reproductive isolation?

• Inability of two different frog species to produce fertile offspring

Question 8 The founder effect is a type of genetic drift that occurs when:

• A small group of individuals colonizes a new habitat

Question 9 The phrase "survival of the fittest" refers to:

• The survival and reproduction of individuals best adapted to their environment

Question 10 The competitive exclusion principle states that:

• Two species competing for the same resource cannot coexist in the same place at the same time

If you have any more questions or need further clarification, feel free to ask!