A student made this diagram after observing the organisms of a model

ecosystem in a large terrarium.

Flies

Crickets

Pill bugs

Grass

Marigolds

Which food chain shows a path of energy flow in the student's model?

What effect does evolution have on a population genetic material?

Which symptoms are often caused by Parkinson's disease? Check all that apply. uncontrollable shaking slowed movement fever slurred speech swollen tonsils low blood sugar low T-cell levels

Many u. s farmers have lost their family farms over the last 40 years because they could not?

Name two types of radiation that have an ionising effect on human tissue.

Compare and contrast fish and amphibian body structures

What is the name of the classification system that we still use today

Compare the roles of the phospholipid bilayer in passive and active transport.

In the polymerase chain reaction (PCR) technique, a heating phase and a cooling phase alternate. An original sample of DNA would have to pass through how many total rounds of heating and cooling before a sample is increased eight times in quantity?

During interphase, replication of the genome DNA occurs during what phase of the cell cycle

Which of the following is not recycle in the biosphere A: energy b:nitrogen c:water d:carbon