Answer: Pigeon and duck.
Explanation:
From that side of the tree, you can see that the pigeon and the duck are closest together in the tree than the other organisms in the other options.
Answer:
Sheep Brain:
Sheep brain is smaller in size the human brain. The convolutions or folds are absent in sheep brain. Olfacory bulb is more developed in shhep's brain as compared to human brain. Sheep brain is more elongated in shape.
Human brain:
Human brain is large in size. The convolutions are more numerous in human brain. Human's brain olfactory bulb is less developed as compared with sheep's brain. Human brain is round in shape.
Electron shell is the outer orbital, while the inner orbital are just called orbitals.
An organism is an animal with 5 levels of organization/
The correct answer is: [C]: "constructing cell membranes" .
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