Answer:
3. sexual selection
Explanation:
Because artificial selection is the one made by humans like dog breeds.
Disruptive selection is when extreme values for a trait in a population are favored like big and small sizes. Stabilizing is when the trait is pushed towards the average. Sexual selection is when the trait aids in competition among individuals for access to preferred mates.
For the answer to the question above, oxygen makes it Redi would think it has to do with the amount of oxygen in the blood stream. So the answer is the third one, t<span>he presence of oxygen–bound hemoglobin makes it bright red.
I hope my answer helped you</span>
Answer:
True
Explanation:
B cells are involved in the humoral immune response and T cells are involved in the cell-mediated immune response. Class 1 MHC molecules are found on all uncleared cells and class 2 MHC molecules are found on macrophages, B cells, and activated T cells.
Answer:
The term weather describes the state of the atmosphere at a given point in time and geographic location.
Explanation:
The woolly mammoth was an animal used to artic, or colder conditions. When the Ice Age ended, the woolly mammoth couldn't handle the warmer temperatures. It also was being hunted for food. People could have hunted it out of extinction.
I hope this helped you!
Brainliest answer would be appreciated!