1) Which of the following correctly states the relationship between hippos and whales? (1 point)

Question

A) Whales evolved from hippos.
B) Hippos evolved from whales.***
C) Hippos and whales do not share a common ancestor.
D) Hippos and whales evolved from a common ancestor.

2) fossil record contains many intermediate forms of at least one evolutionary line of animals. Beginning with a set of ancient fossils of extinct animals that had three toes, the fossil record continues with intermediate forms containing two toes, and then to a single toe. What concept does this finding support? (1 point)
A) reproductive isolation
B) gradualism***
C) speciation
D) punctuated equilibrium

3) Think about the factors that will influence the evolution of humans in the future. Name one factor that would exert influence through the process of natural selection and one factor that would exert influence through artificial selection. (1 point)
A) natural selection: genetic engineering; artificial selection: demands placed on the brain
B) natural selection: individual mating choice; artificial selection: diseases
C) natural selection: diseases; artificial selection: genetic engineering***
D) natural selection: demands placed on the brain; artificial selection: diseases

4) Under which of the following conditions will speciation not occur? (1 point)
A) Logging operations in a forest cut a single population of beetles in two so that they can no longer mix.***
B) Some snails in a population develop shells that twist to the right instead of to the left, which makes mating impossible with partners of opposite shell shape.
C) A newly constructed housing development divides the habitat of a bird species in two, forcing the birds to fly from one section to the other.
D) Some females of a species of spider prefer to mate with males that have red markings while other females prefer to mate with males with no markings.

Answer 1

1. the answer is D not B
2. the answer is B
3. the answer is C you are correct
4. the answer is A you are correct

Answer 2

Kate you are correct thx! So go with Kate!

Answer 3

wow jishkaw has answeed my whole test. So far i love his site

Answer 4

Now, because of the fact the you all stink, I think 3 is the answer.

Answer 5

i need answers for the whole test

Answer 6

kate is a lier

Answer 7

kate is wrong i got 0/4

Answer 8

kate is wrong
i got 1/4