This sequence of questions is designed to help students think about the relationship between photosynthesis and respiration and the impact of these biochemical processes, as well as the impact of human activities and geological occurrences,

on the balance of CO2 in the
atmosphere.
Reference: Ref 25-1
Photosynthesis [introduces / removes] CO2 from the atmosphere while respiration
[introduces / removes] CO2 from the atmosphere.
What will be an ideal response?


removes; introduces

Biology & Microbiology

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It is generally thought that four critical innovations arose during the evolution of our ape-like ancestors into humans. All of the following are innovations except

a. use of brain power for abstract thought. b. development of the opposable thumb. c. expansion of the human brain. d. toolmaking. e. bipedalism.

Biology & Microbiology

An organism with multiple sets of chromosomes from different species is called:a

a gametopolyploid. b. a heteropolypoloid. c. a hybrid polyploid. d. an autopolyploid. e. an allopolyploid.

Biology & Microbiology

Repolarization of a neuron following an action potential most often requires opening of ______ channels.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Among the protist groups below, which has organisms that typically move with two or more flagella?

a. actinopods b. amoebozoa c. diplomonads d. foraminifera e. apicomplexans

Biology & Microbiology