Answer:
The Mark-Recapture technique is used to estimate the size of a population where it is impractical to count every individual. The basic idea is that you capture a small number of individuals, put a harmless mark on them, and release them back into the population.
Two important measures of a population are population size, the number of individuals, and population density, the number of individuals per unit area or volume. Ecologists often estimate the size and density of populations using quadrats and the mark-recapture method.
Wildlife managers use 4 general approaches to estimate population sizes of wildlife: total counts, incomplete counts, indirect counts, and mark-recapture methods.
The answer is counting individuals and mark-and-recapture.
Answer: A heterozygous genotype stands in contrast to a h o m ozygous genotype meaning that there are different portions where the sequence is different.
Answer:
The correct answer will be option-B
Explanation:
A hydrogen bond is a weak bond formed between the two hydrogen atoms.
The tRNA is made up of a single strand of RNA which attains a 3D configuration and form a hydrogen bond between the two nucleotide base pairs.
The hydrogen bond is present in the tRNA stems and associated loops which contains modified bases like pseudouridine and inosine, thus hydrogen bond stabilizes the structure of the tRNA.
Thus, Option-B is the correct answer.
Active immunity occurs when our own immune system is responsible for protecting us from a pathogen. Passive immunity occurs when we are protected from a pathogen by immunity gained from someone else.
Answer:
Option (b) When dehydrated, a camel stores nitrogenous wastes in its tissues to conserve water.
Explanation:
The camel has good a hump on its back that helps with water storage. This is also made up of a water soluble fatty substance and fats. The water regulation is also controlled by the nephron which is an integral part of the kidney. The nephron has the Loop of Henle that regulates the retention of the water in the body. When there is no water, the potential of the ions force the water back into the kidneys so that the cells do not get disturbed. The nitrogenous wastes are expelled out as soon as possible because they form ammonium salts that may disturb the cell metabolism.
Hence, option (b) is not true.