Which organelles converts the chemical energy stored in food into unseable energy

Describe how the four main types of air masses affect the weather of North America.

So if the Moon's shadow is falling on the Earth during a solar eclipse, what phase of the moon must it be? (The moon is between the Earth and Sun.)

What is the purpose of the Krebs Cycle? a. to add carbon dioxide to the glucose molecules c. to bond oxygen to the four-carbon molecule b. to move the pyruvate from the mitochondria to the cytoplasm d. to remove carbon dioxide from glucose molecules

An antibiotic-resistant allele confers a fitness cost. What would you predict about the growth of the bacteria with the resistant allele compared to the growth of bacteria without the sensitive allele in the presence or absence of antibiotics?

When does diffusion occur across a cell membrane

How mant hands does spider has

Which is one reason some leaves are spiny or needle shaped

What are some current issues that involve both zoology and questions of ethics or public policy

What is it called when lava when it erupts from the surface through volcanoes.

To do this, they needed to acquire a very special internal organelle, called the chloroplast. Where did they acquire this internal organelle? (hint: it's the same place we got our mitochondria)