Answer:
Angiosperms are the most advanced and beneficial group of plants. They can grow in various habitats as trees, herbs, shrubs, and bushes. The angiosperms originated about 250 million years ago and comprise 80% of the earth. They are a major source of food for humans and animals.
Explanation:
This question isn't really finished, but bacterium are unicellular prokaryote.
I hope this helps?.. :S
They must have a list of biomes there. When they say which one is endangered they mean which one is likely to no longer exsist after an amount of time.
<span>Accuracy is the concept being studied here. Compared to precision, accuracy concerns how close to actually being "right" a value or measurement is. Precision, conversely, concerns how exact a measurement is (when using significant figures, decimal places, powers, or similar).</span>
The correct answer is that mammals use a closed, double loop , four chambered heart as a circulatory system of the body.
The circulatory system of mammals is closed system that consists of four chambers, two articles and two ventricles. The deoxygenated blood comes into the heart from one loop and the oxygenated blood from other loop from the heart is circulated to the whole body. This is called as double circulation.
