Malpighian tubules are the excretory organs found in
A. earthworms.
B. flatworms.
C. jellyfish.
D. insects.
E. vertebrates.
D. insects.
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The first successful outcome of gene therapy was in a case of a young girl suffering from ____________________, who was supplied with normal copies of the ADA gene
Fill in the blank(s) with correct word
The brain region responsible for producing hormones that are secreted by the pituitary gland is the
A. cerebrum. B. cerebellum. C. thalamus. D. hypothalamus. E. medulla oblongata.
The earliest known organism capable of sexual
reproduction is a type of a. virus. b. bacterium. c. alga. d. animal-like protist. e. fungus.
Answer the following questions true (T) or false (F)
1. Areas near the equator tend to be wetter because of the combination of ocean evaporation and rising air. 2. Both the taiga and tundra are known for having permafrost soils. 3. The North American prairie and the Russian "steppes" are both temperate grasslands.