Russia and Canada is the correct answer
Answer:
d. Populations have the potential to grow to very large numbers
Explanation:
Natural selection and artificial selection both cause changes in animals and plants. However, the natural selection happens naturally, but selective breeding (artificial selection) only occurs by humans interventions. Natural selection has four components:
- Variation.
- Inheritance.
- High rate of population growth. In artificial selection, selection itself diminishes the probability of adaptation. But in natural selection populations have more offspring and have more chance to alive in struggling for local resources.
- Differential survival and reproduction.
Answer:
B. Human activities and natural events can damage the environment.,
Explanation:
Human activities are those activities carried out by a human being. The environment is being degraded daily as a result of the activities of man as well as natural occurrences e.g earthquake, tsunami, wild fire etc.
Human activities also called anthropogenic activities that damage the environment include sewage pollution, burning of fossil fuels, oil spillage etc. Hence, according to this question, human activities and natural events can damage the environment.
Answer:
MELCS:1= Species are the group of actually or potentially interbreeding populations which are reproductively isolated from other such groups....... Thus, under the biological species concept, species are simultaneously a reproductive community, a gene pool, and a genetic system.
Answer:
Explanation:
In the sequential reactions of acetyl CoA formation and the citric acid cycle, pyruvate (the output from glycolysis) is completely oxidized, and the electrons produced from this oxidation are passed on to two types of electron acceptors. . Note that two types of electron carriers are involved.
NAD+ which is reduced to NADH and FAD which is reduced to FADH2
