The environment provides the selective pressure in natural selection. Artificial Selection is a type of choice in which people effectively pick which characteristics ought to be passed onto posterity. People have utilized particular rearing some time before Darwin's Postulates and the disclosure of hereditary qualities. It is the rearing of plants and creatures to deliver attractive qualities. Living beings with the coveted characteristics, for example, size or taste, are misleadingly mated or cross-pollinated with creatures with comparable wanted attributes.
Answer:
when the salt outside of the paramecium is higher that the amount of salt inside a paramecium ,then they need all of the water they can get as a result they do not need contractile vacuole to contract.
ribosomes make protein which is found in cytosol.
lipids are present in the outer layer of the cell.
Answer:
Each arrow indicates a dependency
Explanation:
D depends on A, B, C; and C depends on B and D. Whereas A and B are each independent
Half, because the ovum from the mother and the sperm from the father fuse together to form the zygote which will develop into the new human being, and the ovum and sperm, being gametes, each have half the number of chromosomes that you usually find in somatic cells (any other cell in the body that is not a gamete).
Answer:
We determined that if phosphorus is provided at the required level of 0.33%, the optimal ratio of calcium to phosphorus is 1.39:1 or 1.25:1 to maximise daily gain and gain-to-feed, respectively. To optimise bone ash, which is important for breeding sows, the ratio is 1.66:1,”
Explanation:
