One thing that all producers have in common is:

a. oxygen

b. water

c. carbon dioxide

Explain in detail why the moon has phases

Which process increases genetic variation among whale offspring?

What are the current attitudes held by the medical field towards patients' suffering from morgellons disease?

A cell that begins meiosis has 23 chromosomes inherited from the mother (shown in green in the cartoon below) and 23 chromosomes inherited from the father (shown in blue in the cartoon below).

Which habitat is the most diverse

Which occurs during transcription? A. DNA is copied to create a second DNA strand. B. mRNA codons and tRNA anticodons assemble amino acids. C. DNA is unzipped with the aid of DNA polymerase. D. mRNA is synthesized from a strand of DNA.

In a beach ecosystem, what can limit growth of organisms? A. ocean and rocks B. oxygen C. abundant food source D. moderate temperatures

What process do the arrows for oxygen going in and water coming out represent in the Figure 9-2 diagram of the mitochondria?

Sponges are made up off

The maxinmum numbers of individuals of a particular species that a partiticlar environment can support is its