Is are blood blue or red?

Why can a grassland ecosystem support more herbivores than a forest ecosystem can? a. grass cannot store energy in its leaves. b. trees store less energy from the sun than grass. c. trees are eaten by secondary consumers. d.

When plants engage in cellular respiration, what will happen to co2 levels in the atmosphere? Why?

Deer ticks are responsible for spreading Lyme disease. This organism, which feeds on the blood of warm-blooded organisms like mice, deer, and humans, is best described as a (1) predator (3) parasite (2) scavenger (4) host

The proteins embedded in a membrane require that region of the protein to be

How are vascular tissues arranged in dicot stems?

List the structures that make up the pathway of air through the respiratory system starting with the external nares.

What are the components of acid rain

If a food has carbohydrates, does that mean it is good for you

Arthropods do not have internal bones. Instead, an arthropod's body is supported by two or three segments. an exoskeleton. a set of antennae.

A health claim describes the relationship between a food, food ingredient, or dietary supplement and reduced risk of a nutrition-related condition. a. True b. False