Why are embryonic stem cells more useful than other stem cells?

What structure in euglena indicate that they can carry out photosynthesis

List five introduced species that present a serious threat to their new communities. explain the damage done by each introduced species.

Protecting endangered animals is a different process because

When true multicellularity evolved, what two specific mechanisms must have evolved to support it? (choose two.) ?

What is the rarest cat breed

The reproductive structures used by cycads are called? a. flowers. b. sporangia. c. sori. d. cones.

What moves across the earth and breaks down rocks

1. If erythrocytes (RBCs) are incubated in the distilled water (pure water), what will happen to the cell volume of the RBC? Increases, decreases, or remains the same?

What is the difference between meiosis I and meiosis II

Which of the following is a mobile body type of cnidarians? 1. Coelom 2. Polyp 3. Medusa 4. All Of The Above