In ferns
(a) xylem and phloem are present in the sporophyte.
(b) the sporophyte is the dominant generation.
(c) the leaf is called a frond.
(d) all of the above are true.
(d) all of the above are true.
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Protozoan endoplasm contains ________.
A. flagella B. cilia C. ectoplasm D. oral grooves E. mitochondria
Cellular respiration produces the most chemical in the form of ATP from which of the following?
A. the electron transport chain B. the citric acid cycle C. substrate-level phosphorylation D. glycolysis E. oxidative phosphorylation
Which of the following is NOT a key
characteristic of "life"? a. organization into cells b. response to environmental change c. reproduction d. inability to change e. using energy
Which of the following are heterotrophs?
a. primary carnivores b. herbivores c. detritivores d. decomposers e. all of these