Why is the amniotic egg considered an important evolutionary breakthrough?

If the school was a cell what would the Endoplasmic Reticulum be?

After millions of years, sedimentary rock containing phosphorus is uplifted from plate tectonic activity. Follow the phosphorus molecules found in the rock through the whole phosphorus cycle, by numbering the steps that would follow. 1.

After reviewing class material about the natural sources of drugs, the students demonstrate understanding of the material when they identify which as an example of a drug that is derived from inorganic compounds?

What is the formation of male sex cells called?

Aluminum (Al) has an atomic number of 13 and an atomic mass of 27. Which of the following correctly shows the electron arrangement for aluminum? 1. 2, 11 2. 2, 8, 1 3. 2, 8, 3 4. 2, 8, 17

Which statement describes a property shared by lipids and carbohydrates

When comparing lakes and oceans, most lakes have A) lower levels of salt. B) higher levels of salt. C) inconsistent levels of salt. D) about the same level of salt.

What happens when a cell needs energy?

What is the Rotation of Earth per hour?.

Spider monkeys in Costa Rica live in the rainforest, where they eat fruit and nuts from big forest trees. The trees also protect them from predators like jaguars and large snakes. The trees are the spider monkey's.