Exchange of gases in plants occur through: (A): Stomata.
(B):Lenticels.
(C):Root surface.
(D):Choloroplast.

(1)A, B and D
(2)A, B,CandD
(3)AandC
(4)A, BandC
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Select the correct answer.which scenario describes unethical lab behavior? o a. danny stores the chemicals required for his experiment in flasks and beakers.b.anna publishes the results of her experiment on the growth rate of saplings.c.jason repeatedly runs an experiment until he gets the results he desires.d. mia records her observations of an experiment precisely and accurately.

Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?