True. Artificial selection can cause defects ect.
Answer:
Following are the evidences that support human evolution by natural selection:
i) Biogeography
ii)The fossil record
iii) Molecular Biology
Explanation:
i) Biogeography: it was the geographical distribution of species that was first suggested the idea of evolution to Darwin.
ii) The fossil Record: The succession of fossil forms is strong evidence in a favor of evolution. It provides a visual record in a complete series showing the evolution of an organism.
iii) Molecular biology: Evolutionary relationships among species are reflected in their DNA and proteins, in their genes and gene products.
An organism may change over time, but it actually never becomes extinct
Answer:
a
Explanation:
i AM SURE THAT THIS IS THE ANSWER BECAUSE IF YOU TAKE b AND pUT IT WITH B IT WILL GIVE YOU Bb BUT IF YOU PUT B AND B YOULL GET BB.
Answer:
<em>A. Atoms are composed of protons, neutrons, and electrons.</em>
Explanation:
<em>Dalton's atomic theory proposed that all matter was composed of atoms, indivisible and indestructible building blocks. While all atoms of an element were identical, different elements had atoms of differing size and mass.</em>
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