Where are metanephridia found?
a. in mammals
b. in flatworms
c. in insects
d. in annelids
Ans: d. in annelids
Biology & Microbiology
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Some amoebae have a covering over their plasma membrane. These amoebae are referred to as ________ amoebae.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
An herbivore
a. eats plant material. b. eats producers. c. is exemplified by a deer. d. is all of the above.
Biology & Microbiology
The organism in the accompanying figure can be classified as:
a. a bird.
b. a reptile.
c. a prokaryote.
d. a protista.
e. a mammal.
Biology & Microbiology
Fraternal twins (dizygotic) result from the fertilization of
a)two eggs and two sperm. b)two eggs and one sperm. c)one egg and two sperm. d)one egg and one sperm. e)two eggs and one sperm OR one egg and two sperm.
Biology & Microbiology