1:
"darwin's finches" reside on the galapagos islands. each species has a different type of beak, however, they can all be traced back to one common ancestor. the different beaks are an example of
select one:
a. reproductive organs
b. adaptations
c. polyploidy
d. genes
2:
artificial selection involves the use of robots and "test tube babies."
select one:
true
false
3:
a small rodent lives in an area where the average temperature has been increasing drastically over a very short period of time. as a result, this species of rodent will most likely
select one:
a. evolve to have less hair over the course of a few years
b. become extinct if the temperature gets too high
c. become the predominant form of life
d. have more offspring in order to increase its survival rate
4:
an earthquake causes a one hundred mile square area to be fractured into four different geographical areas. two of the areas have a river running through it, the other two have ponds. which of the following is a likely scenario based on the new geography?
select one:
a. over time, the areas with the rivers will have less animals than the areas with the ponds.
b. within a couple years, the areas with the river will have many more plants than the areas with the ponds.
c. animals that need access to large quantities of salt water will be found in the area with the ponds.
d. flying animals will be able to cross back and forth between the two areas easily.
5:
in order for biological evolution to occur, the environment would have to change drastically.
select one:
true
false
6:
evolutionary adaptations commonly occur during the lifetime of an individual.
select one:
true
false
7:
which of the following situations accurately describes a difference between a food chain and a food web?
select one:
a. a carnivore receives 10% of the energy from it's prey in a food web.
b. a carnivore eats both a rabbit and a mouse in a food web.
c. a rabbit eats grass in a food chain.
d. a rabbit receives 90% of the energy from the grass it eats in a food chain.
8:
most energy enters the ecosystem:
select one:
a. through the process of cellular respiration.
b. through the process of photosynthesis.
c. by absorbing sun through the skin.
d. by reflecting off the atmosphere.