What is the brains fear threat center called?

In a sample of human blood which cell is more predominant: white or red?

Interdisciplinary nature of biology

Discuss how paleontologists use relative and radiometric dating to support the geologic time scale

Jane waters her plants every morning. Which path does the water take to be a part of photosynthesis? roots to leaves leaves to roots stems to roots

Which specialized cells act as a barrier to protect tissues within the body? epithelial cells neurons red blood cells smooth muscle cells

Which is not a similarity between terrestrial and aquatic pyramids? a. both have producers as the base that can harvest the sun's energy to make food b. both types still consist of producers, herbivores, and carnivores c.

Is coal considered a mineral or not?

Which of the following would cause a plant to grow teller

Explain why chances of nose bleeding increase with altitude in humans

Trees gives us oxygen, then how can we breathe in desert?