Which mistake did Columbus make that led him to believe he could make it to Asia by sailing west?

An organism is discovered that consumes a considerable amount of sugar, yet does not gain much weight when denied air.

In the ocean, whales compete with tunas for anchovies to eat. How would the sudden decrease in the size of the whale population affect the size of the anchovy population? A. The anchovy population would increase. B.

How does the DNA hold the code for making proteins?

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.

Which of the following steps in a scientific investigation is usually taken first

Unlike bryophytes, ferns A. have vascular tissue. B. exhibit alternation of generations. C. utilize photosynthesis. D. have to get water from the environment.

Modern cell theory is best described as being based on

The internal iliac arteries supply blood to the A. diaphragm. B. urinary bladder and rectum. C. lower leg. D. spleen. E. reproductive organs.

What cells are made from already existing cells

How is mitosis different in plants and animals? A. In animals, the cell membrane pinches together. B. In plants, the DNA is one circular chromosomes. C. In plants, there are no sister chromatids. D. In animals, a new cell wall forms.