When energy is lost in trophic levels it is lost as:

a. chemical energy

b. heat energy

c. kinetic energy

d. mechanical energy

Which systemâs main purpose is to allow organisms to create more organisms?

Particles closest together in which state of matter

The word carbohydrate is derived from carbon and water (hydrate). explain why this combination correctly describes this chemical group.

Populations change naturally over time. Which mechanism is a method of artifical selection rather than natural selection? A) genetic drift B) natural selection C) selective breeding D) geographic isolation

The Meselson-Stahl experiment made clear predictions regarding experimental outcomes if dispersive, conservative, or semiconservative DNA replication was occurring in their Escherichia coli cells.

Is anyone on here doing American Hone Schooling out of Lansing Illinois?

Birds that fly have lightweight bones some of which are hollow how might this unique body structure benefit the bird?

Which of the following scenarios would prevent a population from being in Hardy-Weinberg equilibrium? A. The population will fall out of Hardy-Weinberg equilibrium if natural resources such as food are limited. B.

Is this statement true or false? Global warming is likely the result of human activity. true false

Taxonomy is: a. a very recent science b. not a science c. a very old science d. an exact science