Which level of a food chain breaks down dead organisms at every other level?

Chicken pox is a virus that causes an itchy rash but typically does not have any major or lasting effects on an infected person. Before 1995, chicken pox parties were popular.

Earth is home to more than 20 million kinds of organisms, and all have DNA made up of only four types of nucleotides. The bodies of each kind of organism grow and function according to instructions in their DNA.

What is the phenotype of a plant with the genotype RR

Choose all the answers that apply. DNA testing can be used to: A: identify missing persons B: identify skeletal remains C: exonerate innocent people D: convict criminals E: deny health insurance

Pesticides are used to protect crops from insects and other pests. But sometimes pesticides can be as harmful as they are useful. How can pesticides be harmful? A) Pesticides are usually mild and most insects are not affected by it.

Your patient has been diagnosed with right ventricular failure. Which of the following abnormalities is not a direct result of this problem Your patient has been diagnosed with right ventricular failure.

Which of the following is an example of sensors working during homeostasis? a blood volume decreasing from lack of water b the pancreas failing to release insulin c acidic blood pH disrupting cell metabolism d energy demands triggering a release of

If two organisms evolve in response to each other which evolutionary pattern is demonstrated

If there is a possibility of four different genotypes in the offspring that result from a dominant-recessive inheritance, and if the couple has four children, would they definitely have children with one expressing each genotype?

The ovaries are located in the ___ cavity.