Why must organisms use natural resources

Which is true for both photosynthesis and cellular respiration? a. They are simple chemical reactions. b. They are complex chemical reactions. c. They require light energy from the sun. d. They require cells to use water.

The respiratory system supports the skeletal muscular system by: A) breaking down the glucose to release energy. B) transporting oxygen needed to release energy from glucose to the body's cells. C) digesting the glucose you eat.

Consider the chromosome. Which is indicated by the letter a?

In an experiment, Mendel grew 633 green pea plants with either wrinkled seed-coats (dominant) or smooth (recessive). If the ratio of the wrinkled seed-coat plants to the smooth seed-coat plants was 3:1, how many smooth seed-coat plants did he grow?

100,0000 years in the geologic history of Earth would be considered

What is the by-product of fermentation in humans

Why do organisms have to compete for resources

What happens to the particles in a substance during a physical change.

Match the correct properties and characteristics to each type of rock. sedimentary igneous metamorphic A)) cooled magma B)) deposition of material on Earth's surface or in bodies of water C)) arises from transformation of existing rocks D)) made of

During DNA replication, which sequence of nucleotides will bond to the sequence ACG TAT?