4.17 Unit Test Survey Of Living Things

Question: Which action can both humans and flatworms do?

Answer: smell fresh food

Question: Which cell is found in the nervous system?

Answer: neuron

Question: Which sections of the diagram show the actual transmission of an impulse through an axon?

Answer: B-C

Question: When an action potential reaches the end of the axon, what happens next?

Answer: the neuron releases chemical messages (neurotransmitters)

Question: Which illustration shows the direction an action potential travels through a neuron?

Answer: C

Question: Which statement is the best description of the life cycle of plants such as ferns?

Answer: plants have a two-part life cycle, spending part of their life in a diploid phase and part in a haploid phase

Question: Female reproductive cells, or eggs, are produced by which structure in a flowering plant?

Answer: ovule

Question: In which two structures of a flowering plant will haploid cells be found?

Answer: A and B

Question: In which structure do pollen grains develop?

Answer: B

Question: Which option shows an example of asexual reproduction in plants?

Answer: budding