During the nitrogen cycle, plants take in nitrogen compounds through their___.

Comb jellies may not be the most familiar animal to you, but they are critical in the food chain because they make up a significant portion of the planktonic biomass.

Sunlight reaches through the

Because of the black box warning for clients taking lamotrigine, the nurse should instruct a client to discontinue this medication immediately if he or she develops what unexpected reaction?

Over the decades local and global ice ages have lowered sea levels. As a result, there is often a decline in marine diversity due

Exposure to an allergen sometimes causes a rapid and severe allergic reaction called a. anaphylaxis O b. asthma O c. scleroderma O d. idiopathic thrombosis O e. immunodeficiency

Which is the mechanism by which improper excision of a prophage from a bacterial chromosome results in packaging of bacterial genes near the integration site into a phage head?

The tundra biome has extremely cold temperatures during much of the year and a hard sublayer of permanently frozen soil called permafrost. Which of the following adaptations would plants in the tundra most likely have? A.

When plants of a particular species are growing too close to each other, crowding may eventually lead to mortality, known as self-thinning. this type of mortality is density-dependent. oscillating. exponential. density-independent. random?

the plant can either have a dominant allele or a recessive allele what would be a reason that is not a hardy weinberg equilibrium

What does DNA not contain?