Which of the following statements describes mechanical isolation prezygotic barrier?
a) two species live in different habitats
b) two species mate at different times
c) two species share courtship activities
d) two snails have shells that spiral in different directions

D) two snails have shells that spiral in different directions

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1.) question:

how was the agricultural revolution related to the industrial revolution?

d.) improved agriculture led to population growth, which increased demand for goods.

2.) question:

which of the following happened first in the events leading to american independence?

c.) the meeting of the first continental congress.

3.) question:

what was one advantage that cities offered businesses and industrialists?

answer:

d.) transportation networks

4.) question:

what economic philosophy developed in response to the problems of industrial workers?

a.) socialism

5.) question:

how does this image relate to the jacobins?

b.) the jacobins used this machine to scare and execute those who supported the king.

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