The oldest known fossils on Earth are most similar to:

animals

plants

fungi

bacteria

Using forceps and scissors cut a small piece of liver and add it to the test tube. Push it into the hydrogen peroxide with a stirring rod. Observe the bubbles. What gas is being released?

The process of converting nitrogen into nitrogen compounds by bacteria is called: nitrification denitrification decomposition transpiration

What is mega biodiversity?

Monarch butterflies are protected from birds and other predators because of cardiac glycosides they incorporate into their tissues from eating milkweed when they were in their caterpillar stage.

What happens during inhalation?

Which statement describes renewable resources? A. Fossil fuels are a type of renewable resource B. Renewable resources our artificial C. Renewable resources replenished quickly D. Cheap energy often comes from renewable resources

How are the graphs of a body chemical controlled by negative feedback and a chemical controlled by positive feedback different

Which molecule listed is most likely to cause osmosis in the body? protein glucose oxygen sodium chloride?

Why where phosphates removed from dishwasher detergents

When the sun reaches the end of released into space, forming a life cycle, the expanded part will be O A. red giant O B. brown dwarf c. white dwarf O O D. planetary nebula