How long are food chains?

Question 7 options:

four steps long

three steps long

it varies with day length

it varies with ecosystem

What are microscopic openings in leaves that allow carbon dioxide to enter plat cells and oxygen to exit into the air

Which statement is true about prokaryotic cells? O A They contain a nucleus. OB They contain a single circular DNA molecule. O c They lack ribosomes. D D They usually lack cell walls.

Human activity has increased the amount of carbon dioxide on the atmosphere yes. The carbon dioxide that only remains in the air, I will also enter into the oceans.

What is the importance of alleles in humans

What is the meaning of ingestion

Suppose both parents Can roll their tongue's but their son cannot. Draw a pedigree showing this trait, and label each symbol with the appropriate genotype

A nurse is teaching a caregiver about the use of a vacuum-assisted closure system. How should the nurse instruct the caregiver to apply the foam strips?

What makes Henry Ford similar to Andrew Carnegie? Why?

Which of these types of rock can be weathered to form sediment? select

Choose three nutrients and explain how a plant may look if it has deficiency in those nutrients?