Pteridophyte are called what plants?

Amniotes are vertebrates that have protective membranes around their embryos, to provide a watery environment for the development of the embryo. What other characters do amniotes have in common?

Why does water enter a cell that is placed in a hypotonic solution

Which of the following carries the hereditary information for cells?

Based on the food chain, if a hawk acquires 50 calories of energy, how much energy did the grasshopper get from the plant?

In the digestive system what part of the body precedes the small intestine?

How does algal growth kill marine animals

As the wavelength increases, the frequency (A) decreases and energy decreases. (B) increases and energy increases. (C) decreases and energy increases. (D) increases and energy decreases.

What is the most efficient way to protect biodiversity?

Scientists claim that global climate change is threatening many species with extinction. Which statement provides the strongest evidence for this claim?

He endosymbiotic theory provides an explanation for the origin of chloroplasts. which trait of chloroplasts supports this explanation?