A species that is no longer in existence would best be characterized as which of the following?

threatened

endangered

extinct

dinosaurs

In which order are the scientific method commonly listed

The bacteriologist is staining the slides of a client diagnosed with scarlet fever and rheumatic fever. The slide identifies S. pyogenes and stains purple by crystal violet dye. The result would indicate:

When a chameleon eats butterfly, what happens to the number of butterflies in the population? How could a sudden decrease in butterflies affect chameleons?

As the number of rabbits in a community goes up, the number of foxes in the same community goes up. What type of relationship is this?

Three cranial nerves involved in transmitting impulses for the sense of taste are the

Just as the body has different levels of organization, such as cells, tissues, organs, and organ systems, so does an ecosystem.

The electric signal for a contraction passes rapidly from one heart muscle cell to the next by way of

What is the BEST example of Newton's 1st law of motion? Group of answer choices A rocket will push off the ground with the same force as the ground pushes on the rocket.

Which nutrient provides the highest number of calories per gram? fat sugar carbohydrate protein

Why are desert solis low in organic matter?