What is the primary source of energy for food chains in an ecosystem?

decomposers

producers

consumers

the sun

Three friends were walking along a Beach in New England. They looked closely at the Sand and noticed it was made up of tiny particles of Rock. They had different ideas about where the Sand came from.

Most moths of a particular population died when the chestnut blight fungus that they were dependent on got wiped out. But some moths did survive. Which mechanism explains the reason for this? Gene flow Genetic drift Natural selection

The diet to treat Cystic Fibrosis should include all of the following except: a. High in calories to prevent malnutrition b. Includes liberal salt usage to replace electrolytes c. Restricted in fat to prevent steatorrhea d.

Is the process of changing from one phase of matter to another a physical change or a chemical change? Explain why

The process organisms undergo to achieve a beneficial adjustment to a particular environment, which not only leads to biological changes in the organisms but also impacts their environment?

Which of the following is not a phase of the information processing mechanism? A. Reception B. Transduction C. Response D. Transformation E. Both A and C are Correct

Why is heat death the most likely option?

16. Which part of a mushroom can you see above the ground? A. Hyphae Mat B. Feeding Network C. Mycelium D. Reproductive Structure

The core of nearly all cell membranes is a double layered sheet called a (an)

Which enzyme assembles the complementary nucleotide bases during replication? RNA polymerase RNA ligase DNA polymerase DNA ligase