Why are many scientist worried about some of Earth's finite resources?

In a food chain 90% of the energy is lost in the transfer at each trophic level, and only 10% passes as usable biological energy. What will happen if secondary consumers are removed from a food chain?

Identify Earth's six global wind belts.

In general, what plant structure would have the most choloplasts? A. vacuoles B. plasmodesmata C. roots D. leaves

You use a lamp and an orange to predict seasons based on Earth's revolution and axis tilt. Which best describes your investigation? A. I move the orange toward the lamp to show why summer is warmer than winter in the Southern Hemisphere. B.

Use the term biological evolution in a sentence

Which area in the united states has the highest average number of thunderstorms per hour?

How many chromosomes will each new cell have

List the examples of non-renewable resources

Write the converse of the conditional statement. If a polygon is regular, then it has congruent angles and congruent sides. If a polygon has congruent angles and congruent sides, then it is regular.

Splitting cells involves creating a single by combining two or more