Which of the following is a secondary consumer in the food web shown above?

A.

duck

B.

algae

C.

earthworm

D.

grasshopper

What kind of molecule is used by organisms to store and transmit genetic material?

How do the properties of elements differ from the properties of compounds they form

In the dna double helix archaic pairs with thymine and cytosine pairs with guanine

The first plants to evolve were the flowering plants. T or F

What can cause granite to break down into soil over time

In aggressive forms of breast cancer, the gene encoding a protein called stathmin is overexpressed. Inhibiting expression of the stathmin gene arrests cells in M phase and is being investigated as an alternative therapy for treating cancer.

What might happen to an ecological pyramid of numbers in a forest ecosystem if most of the deer were killed due to hunting by people and disease?

Which of the following is a true statement about cellular respiration? Group of answer choices Cellular respiration occurs only in plant cells. Cellular respiration occurs only in animal cells.

1. The first organisms on Earth were mostly likely

If the probability of an offspring is 50% homozygous dominant for black coat color and 50% heterozygous dominant for black coat color what is the ratio?