Bio 20 Review (Unit A)

The three components of the biosphere are?

The aftermath of algal blooms can cause what in a lake?

This is?

Define the word "biodiversity".

The phosphorus cycle takes place in both the __________ and the ________.

Energy in a food chain is lost as _______ energy

Which has the largest number of biotic factors?

What are stromatolites and where were they found?

Choose a photosynthesizer.

True or False. Chemosythisis is a process that is done by bacteria living near hot vents.

Which of these zones in a pond or lake has the most productivity?

Which biome has the least amount of precipitation and the coolest climate?

Which of these is an ecological pyramid?

What are some special characteristics of water?

True or False! Decomposers only have a role in the nitrogen cycles.

Name a cycle in which resources are recycled in the biosphere.

Which answer is correct in relation to this food chain: Sun > Berry Bush > Bird > Cat?

True or False. Nitrogen fixing-bacteria convert nitrogen gas to ammonium.

Another word to describe an atmosphere with little oxygen is....