Which cell organelles are responsible for making most of the cell's ATP?

Cycads, conifers and flowering plants are all considered to be A. vascular seed-forming plants. B. vascular spore-forming plants. C. non-vascular seed-forming plants. D. non-vascular spore-forming plants.

The area between 23.5°N and 23.5°S

James Hutton disagreed with biblical estimations of Earth's age. In contrast to biblical estimates of a few thousand years, Hutton estimated that Earth was several million years old. True or false?

During a research project, a scientist collects snails from a beach. He finds several snails that have shells of about the same size and shape. However, the shells have very different patterns and colors.

Describe two observations a scientist could make about the leaf, cells, and chloroplasts shown. look for patterns or positions most of the chloroplasts are in.

Why are health authorities concerned when the vaccination rates for an infectious disease fall?

The ulna, radius, and humerus are the three bones of the arm. The elbow is formed where these bones meet. Which is another name for the elbow? A) joint B) tendon C) cartilage D) bone marrow

Which of the following describes an example of an energy resource that does not pollute the air with greenhouse gases?

Why do plant cells seem less affected by changes in solute concentration?

Coral reefs protect beaches and shorelines from damage caused by__? A. pollution B. waves C. humans D. other organisms