A pyramid of numbers shows the population at each stage in a food chain . It is drawn as a bar chart with the bars stacked on top of each other. The wider the bar, the more organisms it represents. The producer always goes at the bottom of the pyramid.
Answer:
stars are large grouping ans stars form from the same nebula and also they are about the distance the earth
Explanation:
An ecological niche is an organism's specific habitat in an ecosystem.
It is where it lives and feeds, etc.
It is important that the subject does not know when the respiratory rate is being assessed because his or her knowledge might lead to the unreliability of the results. For example, the subject might get anxious and his or her breathing rate might increase, or vice versa.
1 phenotype. That's because if they have 1 part red and 1 part purple only the purple part (allele) will be shown