Diffusion, any gasses uses diffusion to float across the cell membrane because gasses are lightweight and do not require enery
Environmental laws help ensure the environment and the economy are equally protected and promoted, not just because we need them both, but because each needs the other.
Answer:
Organisms depends on physical and biological factors of an ecosystem.
Explanation:
Biological and physical changes cause shift in an ecosystem's populations because the population of organisms depends and greatly affected from the environmental factors such as temperature, moisture etc. These environmental factors causes change in the physical features of an ecosystem so when these changes occur in physical factors, it greatly affected the population of organisms.
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring
Considering that this bird most likely is going to compete for food with the large tree finch possible examples are woodpecker finch because they use the same food resources and small tree finch because they eat mainly animal food.