Each of the following is an example of how humans have negatively affected the environment except (d) slash-and-burn forest clearing.
The environment comprises of the surroundings in which an organism lives. It comprises the biotic as well as the abiotic factors. In an environment, it is studied how an organism interacts with the abiotic factors, chemical factors as well as interaction with other living species.
Slash-and-burn forest clearing is the method in which the vegetations are harvested and then the remaining parts are burned to make the land clear. The land created after the fire is called swidden. This is done to provide nutrients to the soil through the ashes of the burned forest.
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Element is a substance that cannot be broken down into simpler substances. Atoms are the smallest particle of an element. An element has a fixed composition because it contains only one type of atom.
Two alleles expressing exactly the same information for a trait are described as homozygous.
An individual is homozygous for an allele if the two alleles are identical. Two normal alleles or two alleles with the same variation can both be present in a homozygous genotype. When an organism is homozygous, it signifies that it possesses two copies of the same gene allele.
If an organism possesses two copies of the same dominant allele, it is said to be homozygous dominant, and if it possesses two copies of the same recessive gene, it is said to be homozygous recessive. For instance, there are two variants of the gene for seed shape in pea plants: one form (or allele) for round seed shape (R), and the other for wrinkled seed shape (r).
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Answer:
when organisms produce more off spring than can survive is called overproduction
<span>When the diaphragm contracts and moves lower, the chest cavity enlarges, reducing the pressure inside the lungs. To equalize the pressure, air enters the lungs. When the diaphragm relaxes and moves back up, the elasticity of the lungs and chest wall pushes air out of the <span>lungs. hope this helps</span></span>