Answer:
a
Explanation:
Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
If the marine plant is placed in a freshwater environment, then the cells will undergo plasmolysis.
The plants found in the freshwater surroundings are adjusted for osmoregulation in hypotonic environments. If one place this type of plant in a marine environment, that is, one with a greater concentration of dissolved salts, then the environment is considered as hypertonic environment. The cells of the plant will lose water and will go through the process of plasmolysis.
the answer is C. 40 because it gains what the first one loses
hope I helped
Answer:
Ponds and lakes can be natural or manmade. Stream pools are more similar to ponds than lakes are. Most aquatic plant life can be found in the littoral zone. An increase in the number of phytoplankton in an aquatic ecosystem is always beneficial.
Explanation:
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PLS MARK ME BRAINLIEST
Answer:
False
Explanation:
There are multiple ways in which the food supply can be introduced to pathogens e.g.
1)inadequate handwashing.
2)cross-contamination.
3)storage and cooking temperatures.
4)contamination of food by animal waste
