Which structure of the respiratory system allows for gas exchange? alveoli pharynx nose trachea

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?

How did the club fungi get its name? a. it is named for the club-shaped seeds it produces. b. it is named for the way individual species grow together in small groups called “clubs.” c. it is named for the club-shaped area where it produces spores. d. it is named for the club-like mechanism it uses to kill its prey.

What characteristic of radioactive decay makes it useful for determining the absolute age of samples? question 10 options: occurs at a constant rate changes based on temperature speeds up under high pressure slows down in very dense samples