Which of the following is mismatched?
a. sponges; gemmules
b. cnidarians; polyp
c. nematodes; segmentation
d. flatworms; flame cell
e. tapeworms; scolex
Answer: c
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What can you conclude about the grass in your lawn if the recommended fertilizer has an N-P-K ratio of 29-3-4?
A. It is parasitic. B. P and K are not essential nutrients. C. It needs a lot of water. D. It has a taproot. E. It is not a legume.
Dilation of a precapillary sphincter ____ blood flow through the capillary bed
Fill in the blank(s) with the appropriate word(s).
Neurotransmitters move by active transport across the synaptic cleft
____________________ Indicate whether the statement is true or false.
Which of the following plays a key role in the absorption and distribution of fats?
A) Chylomicrons and lacteals B) Large intestine and rectum C) Microvilli and villi D) Segmentation and peristalsis movements E) Secretin and gastrin