Which of the following is the advantage that plants in arid habitats experience when they keep their stoma closed during hot daytime hours?

A. It prevents loss of CO2.
B. It helps to conserve water.
C. It brings minerals up the plant.
D. It prevents sugar transport to the guard cells.
E. It gives plants a needed rest.


B. It helps to conserve water.

Biology & Microbiology

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GCCCAAAG is a molecule of

A. RNA. B. DNA. C. protein. D. cannot tell as written.

Biology & Microbiology

The sugar in RNA nucleotides is ____

a. dextrose b. sucrose c. glucose d. ribose e. deoxyribose

Biology & Microbiology

When a honey bee scout returns to the hive, it will perform a round dance to indicate that the nectar is

close, while the waggle dance indicates the nectar is distant to the hive. This dance is an example of: a. sign stimuli linked to social interaction. b. migratory behavior stimulated by environmental changes. c. insight learning based on trial and error. d. a physiologically meaningful stimulus (food) and an irrelevant stimulus (dance). e. optimal foraging dependent on cooperative social behavior.

Biology & Microbiology

Lichens can form from the symbiotic relationship between a photosynthetic bacterium and a fungus

Indicate whether the statement is true or false

Biology & Microbiology