Which of the following are not biotic or abiotic factors in an ecosystem?

A

water and air

B

rocks and energy

C

plants and animals

D

cultural components

Donor and recipient blood types are a positive. mixing recipient serum with donor rbcs caused agglutination. no agglutination occurred when donor serum was mixed with recipient rbcs. is the blood safe for transfusion?

The gulf stream and north Atlantic current modify the climate of northwestern Europe by making the climate a) warmer and drier b) warmer and more humid c) cooler and drier d) cooler and more humid

How has artificial selection demonstrated species changing over time

Rain forests cover just 6 percent of the Earth's land surface, yet they containpercent of Earth's species. 30 60 70 40

Two words that can be used instead of the word vegetation are

LaKeisha stepped on a piece of glass and quickly pulled her foot away from that sharp object. Which of the following are responsible for sending a message to the muscles in LaKeisha's foot, resulting in her pulling her foot away from the piece of

In which direction does the building of the new strand proceed?

A knowledge of. science is essential in many different careers such as those of geologist meteorologists astronomers or oceangraphers

Describe how abread mould obtain nutrients

From the esophagus to the anal canal, the walls of every organ of the alimentary canal are made up of the same four basic layers. Arrange them in order from the lumen. A. muscularis externa, serosa, mucosa, and submucosa B.