Craig recently passed away from a cancer that started in his bone marrow. what type of cancer caused craig's death?

18. Some groups of organisms work together to stay safe or to take down prey. What do we call this?

Archaeopteryx fossils show that the animal had feathers like a bird. It also had a bony tail, teeth, and claws on its wings like a reptile. Scientists claim this is evidence of a common ancestor. What makes this a sound claim?

What happens to a human blood cell in sea water?

In what way are the light-dependent and light-independent reactions of photosynthesis similar?

How are the Sun and Moon different? Compare and contrast these celestial bodies.

Why did the Washington pollution control commission conclude that lake Washington was becoming seriously polluted?

1. Lynn is a 2-year-old girl. Her mom and she like to play a game where her mom pretends to have one of Lynn's stuffed animals, a little monkey, tickle Lynn's feet. Actually, Lynn's mom is doing the tickling.

Which organelles perform roles equivalent to the circulatory, digestive, and respiratory systems?

in eukaryotes cells protein is made at the ribosome what other organelle are involved in this process

Precipitation is considered acidic if it has a ph of