Wind, Salt, PH, and Nutrients

Question 1

What strategies do plants have in high wind conditions?

Answer 1

a. Flexible stems that bend without breaking
b. Succulent stems that bend without breaking
c. Narrow leaves to reduce air resistance (grasses, needles)

Question 2

This is the measure of dissolved salt content in water?

Answer 2

salinity

Question 3

Salinity can limit an organism’s ability to absorb what?

Answer 3

water

Question 4

The Earth’s oceans are made up of what percent of the earth’s water?

Answer 4

97%

Question 5

Where do marine mammals get most of the fresh water they need to survive?

Answer 5

the food they eat

Question 6

These are chemical elements that are required by all organisms to survive

Answer 6

nutrients

Question 7

Where do sea birds excrete excess salt?

Answer 7

glands in their nasal captivities

Question 8

The following mineral elements cause soil acidity

Answer 8

aluminum, hydrogen, and manganese

Question 9

What determines how life can persist and thrive in unique environments?

Answer 9

nutrient requirements and tolerances