I would say C because A is a positive, B is a positive, and D is a positive, The only "disadvantage" is in C
Out of the choices given, the mechanisms that drives evolution is natural selection. The correct answer is B, natural selection.
Answer:
An isotope is one of two or more forms of the same chemical element. Different isotopes of an element have the same number of protons in the nucleus, giving them the same atomic number, but a different number of neutrons giving each elemental isotope a different atomic weight.
Explanation:
pretty sure its D
The correct answer is option B. Higher levels of haemoglobin
A higher level of the haemoglobin allows the organism to survive in low oxygen condition. The low oxygen level decreases the amount of oxygen delivered to the cells, to cope up this condition, there is an increase in the haemoglobin content. The increased haemoglobin concentration allows the delivery of the sufficient amount of oxygen, as the number of haemoglobin increase, the capacity of oxygen carried to the cell is increased.
Answer:
1) tigers, dogs, wolves
2) snakes, frogs, lizards
Explanation:
is it gnewing or gnawing?
