1. Which of the following organisms tend to exhibit a type I survivorship curve?

Select one:

a. Oysters

b. Large mammals

c. Hydras

d. Insects

e. Bacteria

 

2. Which of the following is not typical in sharks?

Select one:

a. ability to sense electric currents in the water

b. skeleton of cartilage

c. a sucker used to attach to prey

d. ability to sense pressure of other swimming objects

e. belongs to the class chondrichthyes

 

3. What are the two parts of the central nervous system in vertebrates?

Select one:

a. A brain and nerve net

b. A ganglion and spinal cord

c. A ganglion and nerve net

d. A brain and spinal cord

e. A brain and ladderlike nervous system

 

4. When one species changes, forcing another species to change, and the two species are suited to one another in the end, defines ___________.

Select one:

a. mutualism

b. symbiosis

c. commensalism

d. coevolution

e. genetic drift

5. What term defines where a species lives and how it interacts with other species?

Select one:

a. a geographical niche

b. an allopatric niche

c. a sympatric niche

d. microevolution

e. an ecological niche

 

6. Which of the following could occur due to blocking the neurotransmitter from reaching the receptor site?

Select one:

a. The nerve will produce a different type of neurotransmitter that does not get blocked from the receptor site.

b. The nerve impulse will increase in strength as the levels of neurotransmitter build up at the synapse.

c. The receptor sites will be filled with a different neurotransmitter allowing for a new muscle contraction to take place.

d. The muscle or gland that was supposed to receive the nerve impulse will fail to activate. In the case of the muscle it will not contract. If it is a gland it will not secrete its product.

e. The muscle or gland that was supposed to receive the nerve impulse will build up its threshold for activation. Once the threshold is reached the muscle will have a massive contraction while the gland will over secrete its product.

 

7. What part of the brain is associated in the learning of new motor skills and is responsible for balance and posture?

Select one:

a. The hypothalamus

b. The cerebellum

c. The thalamus

d. The cerebrum

e. The medulla oblongata

 

8. What is the male part of a flower?

Select one:

a. stigma

b. style

c. ovule

d. stamen

e. filament

 

9. Which of the following statements is not true about active immunity?

Select one:

a. It forms a specific defense against a particular antigen

b. It will last for some time

c. The particular antibody formed will react against many different antigens

d. It is the result of T cell and B cell activity

e. An antigen-antibody reaction must occur

 

10. All of the following are general functions of a plant's apical meristem except __________.

Select one:

a. carries out cell division

b. produces epidermal tissue

c. produces ground tissue

d. produces vascular tissue

e. produces leaf primordia

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Status NEW Posted 25 May 2017 01:05 AM My Price 13.00

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