Question:
Many cells have a nucleus that contains chromosomes. These chromosomes carry genes that are composed of
Answer:
DNA molecules
Question:
Dust and ash entering the atmosphere as a result of volcanic eruptions can affect Earth's
Answer:
weather and climate
Question:
The population of which of the following 26 organisms would most likely decline if small animals like rats, rabbits, and snakes were eliminated from an ecosystem?
Answer:
hawks
Question:
Which statement describes a method of sexual reproduction that occurs in plants?
Answer:
Seeds are produced from the flower of the plant.