What is always the last step in a food chain or food web?

Which structure stores energy for the cell in the form of ATP

What are some similarities among all four types of molecules. List as many as you can

What is the difference between community and population

In a certain plant species, the allele for wrinkled seeds (W) is dominant to the allele for smooth seeds.

Could animals have lived on ancient Earth before green plants? Explain.

The chart below shows the codons that make up the genetic code and the sequence of nucleotides that corresponds to them. A mistake during DNA replication leads to a mutation in the nucleotide sequence shown below.

The ability of an enzyme to change shape when it binds to its substrate is called

Describe how a scientist using the phenic system would classify an organism.

A student made a model of an ecosystem inside a sealed plastic bottle. She placed soil, rocks, water, plants, and animals inside the bottle. How is the model different from a natural ecosystem? A. The model lacks producers. B.

The scientific name of an organism is formed from what two parts of the organism's classification?