Answer: Option B.
Geographic separation.
Explanation:
It is geographic separation that is common to both of them because
Sympatric speciation to occur when certain populations of species isolate reproductively from the the main populations because they can not longer interbreed with each other and they inhabit the same geographical location.
Allopatric speciation occur when two populations of the same species separate from each other geographically which can be as a result of one group of population move to another geographical location.
Answer:
<u>Animals and plants use oxygen for processing cellular respiration.</u>
Explanation:
Most of all organisms use oxygen to undergo cellular respiration with the help of the mitochondria that powers energy. Cellular respiration is needed to obtain energy for survival. As products of cellular respiration, ATP energy is created, and carbon dioxide + water is released from the organism. Thus, an ecosystem like a rainforest with animals and plants use oxygen for processing cellular respiration.
Answer: C) by eating meat, he could migrate wherever animals are found, and live in cold areas where plant-eaters (like Australopithecus) could not have found food during Ice Ages
Explanation:
Home erectus are the oldest humans species in the africa and they expand there range in the several continents like south east asia for the search of diet that includes meat and increasing the food supply in the environment seasonally and also live in cold area where plant eaters do not find enough food during ice ages. As, homo erectus are the posses the cultural and physical attributes.
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Answer:
Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.Explanation: Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus. ... Every normal human cell contains 23 pairs of chromosomes, for a total of 46 chromosomes. A trait is any gene-determined characteristic and is often determined by more than one gene.
