Tropical bird species tend to produce smaller clutches of eggs than temperate bird species. One hypothesis put forward to explai
n the difference in clutch size is that the time available for gathering food differs between tropical and temperate species. Another hypothesis is that tropical and temperate species have different strategies that affect the quality and overall robustness of individual nestlings. Match each piece of evidence with the hypothesis that it supports. 1. Food-gathering time influences clutch size
2. Quality of each nestling influences clutch size
a. Tropical nestlings develop longer flight feathers and are better fliers when they leave the nest than temperate nestlings.
b. Temperate bird species make more foraging trips per day than tropical bird species.
c. Tropical bird species do not gather food at a faster rate than temperate bird species.
d. Temperate bird species have lower survival rates as adults than tropical bird species.
e. Bird species from both regions can usually at least provide enough food to keep the nestlings in their clutch from starving.
f. Tropical bird species make more foraging trips per nestling than temperate bird species.
Tropical birds are often brightly colored and have long bills. They're omnivores that eat seeds, nuts, fruit and insects. Some tropical birds eat small lizards and animals. Parakeets also belong to exotic and tropical birds.
In addition to the leaf shape (narrow and broad) and leaf vein arrangement (parallel and non-parallel), leaf <u>margin shape</u> is used to classify plants.
3. any trait that confers even a small increase in the probability that its possessor will survive and reproduce will be strongly favored and will spread through the population.
Explanation:
Natural selection is a nonrandom process by which biological traits become more or less common in a population as a function of the differential reproduction of their bearers of differences in the rate of survival.
Natural selection can act on any heritable phenotypic trait and operate among any entities that reproduce, show inheritance of their characteristics from one generation to the next, and vary in fitness.
Natural selection is the machine that drives evolution. It also explains adaptation.