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.

Biology & Microbiology

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Protozoan endoplasm contains ________.

A. flagella B. cilia C. ectoplasm D. oral grooves E. mitochondria

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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

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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

Biology & Microbiology

Which of the following are heterotrophs?

a. primary carnivores b. herbivores c. detritivores d. decomposers e. all of these

Biology & Microbiology