Primary succession is one of two types of biological and ecological succession of plant life, occurring in an environment in which new substrate devoid of vegetation and other organisms usually lacking soil, such as a lava flow or area left from retreated glacier, is deposited. In other words, it is the gradual growth of an ecosystem over a longer period.
Answer:
A. The percentage will increase
Explanation:
If the species is becoming resistant to the weed killer, natural selection will cause future generations to become resistant as well, therefore the percentage of resistant dollar weed will increase. Also I took the test lol.
Answer:
The independent variable is "controlled" or held constant in the control group. A single experiment may include multiple experimental groups, which may all be compared against the control group. The purpose of having a control is to rule out other factors which may influence the results of an experiment.
Explanation:
Answer:
they live in bathypelagic layer. is there another answer choice that says that?
Explanation:
Answer:
They can be harmful.
Explanation:
Prokaryotes are the organism that do not have nucleus and lacks the membrane bound organelle. Eukaryotes have well defined nucleus and contains the membrane bound organelle.
Th prokaryotes includes the small bacteria and other small organism. The bacteria can cause harmful disease in humans. They can cause cancer or can mutate the genetic constitution of the organisms. The prokaryotes can destroy the products that are harmful and their consumption can destroy the human health.
Thus, the correct answer is option (3).
