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Objective 3 Test
Test Description: Obj 3
Instructions: Answer all questions to get your test result.
1) The butterfly and bird both have wings with similar functions but have differenct ancestors. This is an example of what kind of evolution?
A
adaptive radiation
B
punctuated
C
divergent
D
convergent
2) What factor limits the number of links in a food chain.
A
population size
B
type of ecosystem
C
energy loss
D
scarcity of prey
3) Why do plants have roots?
A
to photosynthesize
B
absorb water
C
reproduce
D
conserve nutrients
4) Which of the following is a biotic factor?
A
soil
B
light
C
water
D
tree
5) An oakworm eats the leaves off of an oak tree. What kind of relationship is this?
A
mutualism
B
predatory
C
commensalism
D
parasitic
6) A bee goes from flower to flower getting pollen to make honey. The bees also spread the pollen in order to fertilize more plants. What kind of relationship is this?
A
commensalistic
B
predatory
C
parasitic
D
mutualistic
7) Which of the following statements is TRUE?
A
virus must reproduce in a host cell
B
virus can be killed by antibiotics
C
viruses are bigger than bacteria
D
viruses only have DNA
8) How much energy is transferred at each trophic level?
A
50%
B
90%
C
5%
D
10%
9) Which of the following organisms is the first trophic level in the food chain?
A
carnivore
B
heterotroph
C
herbivore
D
producer
10) Darwin proposed the theory of evolution. Survival of the fittest is known as ____________________, which drives evolution.
A
artificial selection
B
sexual selection
C
punctuated equilibrium
D
natural selection
*select an answer for all questions
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