What does the dotted line between the water molecules represent?

1. a polar bond

2. a covalent bond

3. a hydrogen bond

4. electronegative bond

Post-event meals should accomplish which of the following? a. replenish lost fluid and electrolytes b. provide protein for building and repairing muscle tissue c. all of these should be accomplished by a post-event meal d. replenish glycogen stores

Amylase is an enzyme that breaks down starch. why can't the same enzyme break down cellulose?

Creep can occur on even very gentle slopes. True or false?

Why is a short-term environmental change more likely to negatively affect a population than a long-term change? Animals do not have time to adapt. Animals always die. Animals always move away and leave the ecosystem with less biodiversity.

A student conducts an experiment to see how music affects plant growth. The student obtains four identical plants Each one is polted in the same type of soil and receives the same amount of sunlight and water each day Plant A listens to classical

Which of the following statements is not true about absorbency use to soak up different leagues and

DNA replication results in: Group of answer choices 2 DNA molecules that each contain a strand of the original 1 new molecule of RNA 1 new DNA molecule, 1 old molecule is conserved 2 completely new DNA molecules

5. Which is the first step of the scientific method?

Identify the four postulates of natural selection. Select all that apply. 1. Individuals in a population all possess the same traits. 2. All individuals in a population have equal reproductive success. 3. Some trait differences are heritable. 4.

Competition is central to the theory of natural selection. why does competition occur?