Exoskeletons are used for movement by which of the following animals?
A. insects
B. cnidarians
C. crustaceans
D. humans
E. insects and crustaceans
E. insects and crustaceans
Biology & Microbiology
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Organisms with a circulating body fluid that is distinct from the fluid that directly surrounds the body's cells are likely to have _____
A) an open circulatory system B) a closed circulatory system C) a gastrovascular cavity D) branched tracheae E) hemolymph
Biology & Microbiology
Common end products of fermentation include ________ and ________.
What will be an ideal response?
Biology & Microbiology
The thread of DNA between nucleosomes is called _____________ DNA
a. nonhistone b. core c. insulator d. linker e. hypersensitive
Biology & Microbiology
Which organelle fragments during mitosis?
(a) endoplasmic reticulum (b) Golgi apparatus (c) mitochondrion (d) chloroplast Control of Cell Numbers and Cell Size
Biology & Microbiology