Answer:
Charles Darwin
Explanation:
Evolution theory is a shortened form of the term "theory of evolution by natural selection," which was proposed in the 19th century by Charles Darwin and Alfred Russel Wallace.
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Speciation, the formation of new and distinct species in the course of evolution.
Speciation is the process by which new species form. It occurs when groups in a species become reproductively isolated and diverge.
1)A-john take the cut in pay is positive because he still has a job, negative is he has less pay. B- loose his job he can get a new one with more pay .
2)A- positive Helen move to with her family and not be alone, negative she looses a semester at school. B- positive she stays a school and can finish the semester, negative she stays alone.
3.A) positive Bill picks pecan he likes it, negative he picks pecan he doesn't like it. B) positive He picks cherry he likes it, he picks cherry he doesn't like it
Answer:
Chlorophyll is the pigment which is green in color. The main function of the chlorophyll is to convert the light energy to chemical energy by absorbing the light and providing energy for carrying on photosynthesis.
Chloroplasts are considered as important organelles present in the Algal and plant cells. Due to chlorophyll pigment present in the chloroplast, it is also green in colour. Chloroplast provides space to carry out both light reaction and dark reaction of photosynthesis.
Hormones are chemical substances that help to regulate processes in the body. Hormones are secreted by glands and travel to their target organs in the bloodstream. Hormones can be used to control human fertility.
