These organisms have a chitinous exoskeleton and jointed appendages.

(A) Echinoderms
(B) Annelids
(C) Arthropods
(D) Cnidarians (coelenterates)
(E) Chordates


Ans: (C) Arthropods

Biology & Microbiology

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Which of the following is most likely to follow an irruptive (boom and crash) growth curve?

a. elephants b. humans c. hippopotami d. moose e. insects

Biology & Microbiology

The process by which cells break down nutrients to produce ATP is known as ____

a. anabolism b. dehydration synthesis c. glycolysis d. cellular respiration e. ATP activation

Biology & Microbiology

Which of these organisms convert atmospheric nitrogen gas to a form that can be utilized by plants?

A) bacteria B) protists C) animals D) fungi

Biology & Microbiology

As an experiment, you infect bacteria with an unknown virus to see how the bacteriophage affects the bacteria. After a few days, you notice that the bacterial population is growing normally and that the cells appear healthy

Assuming that the infection occurred, what can you conclude from your observations? A) The virus is a bacteriophage that is reproducing the lytic cycle. B) The virus is a retrovirus that is reproducing the lytic cycle. C) The virus is a bacteriophage that is reproducing the lysogenic cycle. D) The virus is a retrovirus that is reproducing the lysogenic cycle.

Biology & Microbiology