gene flow or migration between two populations will help maintain similarities between the species, therefore preventing (or slowing down) the process of speciation. and when the environment changes rapidly, this can cause an overall decrease in population size because of a failure to adapt adequately to environmental changes. i hope this helped <3
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Asexual reproduction is when the parent reproduces without having any sexual contact with a partner and they don't need any kind of fertilization from another partner, sexual reproduction requires both a male and female partner, and fertilization of eggs must occur.
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because of factories and cars and smoking
Explanation:
I think salt is it
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Answer:
c
Explanation:
the RBC first is in the arteries then it reaches the body cells via the capillaries then the deoxygenated rbc reaches the heart through veins which carry those