Chloroplasts, the cell<span> wall, and vacuoles
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Answer:
D
Explanation:
Biomes are large divisions on earth based on climatic patterns, soil types, and the animals and plants that inhabit an area. Examples are aquatic and desert biomes
Ecosystems are interactions between communities (biotic elements) and abiotic elements in their environment.
A population is made up of individuals of the same species
Answer:
They tend to move away from any stimulus be it light or mechanical.
Explanation:
The earthworm, upon encountering a stimulus that is mechanical in nature will turn its anterior end slightly away from the stimulus. Persistence of the stimulus may cause the worm to contract the longitudinal muscles of the opposite side to move the body around taking a new direction. And they also have the behaviour of tending to move away from any light stimulus.
Answer:
<em>Test group is a group that is modified or </em><em>changed by the researcher </em><em>and is then compared to the </em><em>experimental group while carrying out an experiment. </em>
Explanation:
While observing the data of the test group, it has to be compared with the control group to see if there is any effect of the treatment on the test or not. The control can be positive or negative or both to which the test group is compared.
Answer:
D.) crossing over causes alleles of genes to be switched between homologous chromosomes.
