Question

What is reproductive isolation?(1 point)
Responses

The inability of two populations to reproduce due to biological barriers
The inability of two populations to reproduce due to biological barriers

The ability of a population to produce offspring only asexually
The ability of a population to produce offspring only asexually

The inability of two populations to reproduce due to geographical barriers
The inability of two populations to reproduce due to geographical barriers

The process of sexual selection within a population
The process of sexual selection within a population
Question 5
Which of these can lead to speciation?(1 point)
Responses

Genetic drift
Genetic drift

Natural selection
Natural selection

Reproductive isolation
Reproductive isolation

All of the above
All of the above
Question 6
Which of the following statements about natural selection is true?(1 point)
Responses

It acts on the phenotype of an organism
It acts on the phenotype of an organism

It always results in the adaptation of individuals to their environment
It always results in the adaptation of individuals to their environment

It acts directly on the genotype of an organism
It acts directly on the genotype of an organism

It can only occur when environmental conditions are stable

Answer 1

Here are the answers to your questions:

**Question 4: What is reproductive isolation?**
- **Response:** The inability of two populations to reproduce due to biological barriers.

**Question 5: Which of these can lead to speciation?**
- **Response:** All of the above (Genetic drift, Natural selection, Reproductive isolation).

**Question 6: Which of the following statements about natural selection is true?**
- **Response:** It acts on the phenotype of an organism.