What is an ecosystem with an evenness of species numbers considered to be?

Nonnative species can cause serious problems with marine ecosystem biodiversity. The graph shows a summary of the different methods by which invasive species reach new locations based on United States Geological Survey data as of 2016.

Organ systems are made up of interdependent structures [organs]sthat work together to perform a similar function. what organ system does the heart belong to?

Explain how it is possible to have thousands of different protiens when there are only 20

Through which blood vessels does oxygenated blood flow to cardiac muscle of the heart? A. The pulmonary veins B. The coronary veins C. The coronary arteries D. The pulmonary arteries

The level of which type of proteins in the blood rises during an inflammatory reaction?

Which of the following is a feeding source for fens? aquifers dexfoliants exfoliants nitrates

What system includes oceans, lakes, rivers, and groundwater? a. geosphere b. hydrosphere c. atmosphere d. biosphere

Fungal spores a. are only asexually produced. b. cannot be seen in a light microscope. c. are used to identify fungi. d. are produced by molds but not by yeasts. e. are only produced under harmful environmental conditions

Glucose diffuses slowly through artificial phospholipid bilayers. The cells lining the small intestine, however, rapidly move large quantities of glucose from the glucose-rich food into their glucose-poor cytoplasm.

What's the function of rough er