At each level of the food chain, what happens to about 90% of the energy? A) gained as energy B) lost as heat C) converted into unusable compounds D) excreted as waste

What is the main difference between prokaryotic cells and eukaryotic cells?

Which of the following statements is true? 1. The total amount of water in an ecosystem is always increasing. 2. Thermal pollution is the main disadvantage of hydroelectric power. 3. Wood and water are nonrenewable natural resources. 4.

The induced fit model of enzyme action fine tunes the original concept of the lock and key model and modifies it. This induced fit model changes the original explanation by hypothesizing that

What happens to ovule after fertitillation?

How can one cell become a multicellular organism

What can happen in the hydrologic cycle to move pollutants into the water?

What are microplastics

Explain why the chromosomes in the haploid cells that are produced by meiosis I look different than those produced by meiosis II.

Studying material culture is important to anthropologists because:

The allele that may not be expressed or that is hidden in a phenotype