Which lipid acts as a chemical messenger? A. adipose b. tissue c. cholesterol d. testosteronee. beeswax

Both ancestral birds and ancestral mammals shared a common ancestor that was a terrestrial vertebrate. today, penguins (which are birds) and seals (which are mammals) have forelimbs adapted for swimming.

What differences do you see in the molecular shape of CO2 and NH3?

Name one trait in which humans differ and list at least two variations of this trait.

What mechanical devices are used to restrain cats?

Insects often act as pollinators for plants. In turn plants provide these insects with food. What kind of a relationship exists between the insects and the plants? A - mutualism B - commensalism C - parasitism

What is it called when a trees roots grows into rocks and breaks down into smaller parts

Classify the organisms based on how they obtain food

When the stimulus intensity is increased what changes the number of synaptic vesicles?

What is the shape of a BH3 molecule?

parents that are heterozygous for having freckles (dominant) are crossed. Which presents the ratio of their offspring