Answer the following questions true (T) or false (F)
1. Corals exhibit the polyp body form only.
2. There are both aquatic and terrestrial species in the phylum Mollusca.
3. There are more species in the insect group of phylum Arthropoda than all other animal phyla combined.
1. TRUE
2. TRUE
3. TRUE
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After you have found a new species of ape, you spend 10 years in the field seeking a fossil of its ancestor. You fail. This lack of fossil data:
A. is expected, because the fossil record is incomplete. B. is expected because the species is too young to have fossilized ancestors. C. is unexpected, because the fossil record shows a complete record of all vertebrates. D. completely negates the anatomical and genetic data you have collected that indicate your new species is a type of gorilla.
The coenzyme ________ must interact with pyruvate before fermentation by-products are produced.
Fill in the blank(s) with the appropriate word(s).
Which of the following substances is NOT secreted
by secretory neurons? a. oxytocin b. antidiuretic hormones c. epinephrine d. histamine e. norepinephrine
What factors can contribute to external ear infections and middle ear infections? Why are children more prone than adults to getting middle ear infections?
What will be an ideal response?