In nonvascular plants, sperm are formed in the archegonia by meiosis

Indicate whether the statement is true or false


FALSE

Biology & Microbiology

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Warm, still water holds __________oxygen than cold

Fill in the blank(s) with correct word

Biology & Microbiology

Synaptic integration means that

a. positive or excitatory stimuli produce an excitatory postsynaptic potential. b. the positive and negative ions neutralize each other. c. excitatory and inhibitory signals are summed in a receiving neuron. d. the adjacent neurons interact so that excitatory and inhibitory stimuli cancel each other out. e. all of these occur.

Biology & Microbiology

What is the cardiac cycle?

A) The movement of blood from the heart to the lungs and then back to the heart B) The movement of blood from systemic to pulmonary circulation C) The passage of electrical impulses from the AV node to the SN node to heart muscle D) The alternating relaxation and contraction of the heart chambers

Biology & Microbiology

Bulk flow in the phloem tissue is mostly downward whereas bulk flow in xylem is mostly

A. upward. B. sideways. C. also downward. D. very little bulk flow occurs in xylem. E. flow of sugars.

Biology & Microbiology