Sexual selection example; The brightness of the feathers of a peacock. You may also see similar traits in other birds, where some dance and show off bright feathers to attract a mate, where other build nests. These specific traits do not increase their chance of survival, and are not learned. They increase their fitness because they increase their chances of reproduction and passing on their genes.
Survival of the fittest = Survival of those who survive, and reproduce
Answer:
Homologous structures
Explanation:
Features that are similar in structure, but appear in different organisms and may have different functions
Forces acting on an object that combine and form a net force of zero are balanced forces. As shown in the figure on the opposite page, balanced forces do not change the motion of an object. Forces acting on an object that combine and form a net force that is not zero are unbalanced forces.
The term tissue respiration denotes the exchange of respiratory gases within an aggregation of cells in the course of the biological oxidation of nutrients.
Answer: At the same time as the samples, a DNA marker with known length fragments is routinely passed through the gel. You can estimate the length of the DNA fragments in the samples by comparing the bands of the DNA samples with those of the DNA marker.
Explanation:
