D. Birds compete for food

4. In a forest ecosystem, which is an abiotic factor?

a. The amount of rainfall

b. The size of the deer

C. The types of trees

d. The number of birds

5. Which of the following hest describes the difforong

Before dna was discovered in which materials did scientists think the genetic materials was stored?

Enzymes can be recycled. True False

Internal threats are always accidental and stem from poor access controls. Only external attackers intentionally plan and carry out malicious attacks. True False

Name two active volcanoes in the atlantic ocean

Franklin's approach to the DNA problem was painstaking and methodical. She clearly eschewed guesswork.

Look at this definition: the inability to start a pregnancy after having unprotected vaginal intercourse for more than a year or the inability to stay pregnant for the full length of a normal pregnancy Which term does it define?

What relationship best applies between the pompeii worms and the bacteria?

What is the energy released during respiration used for?

How does the precision of measurements affect the precision of scientific calculations?

What are gametes??