Arctic terns nest in the Tundra in shallow scraped out depressions on the open ground. The depressions are lined with a small amount of dead plant matter such as grass. What is described?

habitat

competition

niche

grazing

Technological advances in transportation have come about in response to the depletion of fossil fuels and other negative aspects of the internal combustion engine. There are many positives to these advancements, but there are also some negatives.

Which group of animals was the first to adapt to life on land by developing large lungs, eggs with a waterproof shell, and scaly, waterproof skin? a. amphibians b. birds c. reptiles d. worms

Who developed the system known as anthropometry?

Of the processes that comprise cellular respiration, only glycolysis occurs in the cytoplasm, the other processes occur in the mitochondria. true or False

Whose data did Kepler use to construct the laws of planetary motion? Aristarchus's Aristotle's Brahe's Copernicus's

The food web in a diverse ecosystem is

How many ATP equivalents are made from convention of succinyl-CoA to oxaloacetate? Assume that re-oxidation of NADH via the electron transport chain yields the equivalent of 3 ATP, and that re-oxidation of FADH2 yields 2 ATP.

A situation where friction is desirable.

You discover an organism that has scaly skin and is aquatic but returns to the land to reproduce. what else would you expect to find in this organism?

Which systems act on the same organs but in opposite ways? a. the central and peripheral nervous systems b. the sympathetic and parasympathetic nervous systems c. the somatic and enteric nervous systems