What is immigration?

A. When animals are bom in an ecosystem

B. When animals die in an ecosystem

C. When animals move into an ecosystem

D. When animals leave an ecosystem

Which of the following statements correctly describes a historical event that contributed to theories of evolution? a. Wallace reviewed Darwin's manuscript on bio geography across a variety of islands in the Pacific. b.

Human somatic cells have 46 chromosomes. How many chromosomes are present in each gamete before fertilization?

if loss of a control element causes an increase in gene expression, what must be the normal role of that control element? propose a biological explanation for how the loss of such a control element could lead to an increase in gene expression.

Why are carbohydrates, lipids, proteins and nucleic acids considered organic compounds?

Jacque is hiking in the mountains and sees a very large and colorful rock layer. It looks different than the surrounding rock layers.

If you comitted suiciced and used a rope how long would it take b4 you died

What component of the earth's atmosphere is decreased due to photosynthesis

Two birds that look very similar to each other have always been considered two distinct species based on differences in their body size and in where they live.

This system is used all over the world. Why do you think Latin is used instead of a more modern language?

Which of the following cellular adaptations assist many unicellular organisms with locomotion? A. Mitochondria B. Chloroplasts C. Cilia D. Ribosomes