Final Exam Review

Front

Which population of organisms shown on the pyramid has the most available energy?

Back

Grass (producers have the most energy in an ecosystem).

Front

Osmosis is a form of _____________.

Back

Passive Transport (movement of water across a membrane without energy).

Front

What does DNA stand for?

Back

Deoxyribonucleic acid (the molecule that carries genetic information).

Front

What was the result of the Miller-Urey Experiment?

Back

Formation of simple organic molecules like amino acids & nucleotides (demonstrated how life could have originated from simple compounds).

Front

A consumer that eats only meat is a ____________.

Back

Carnivore (organisms that primarily consume other animals).

Front

What is the primary function of producers in an ecosystem?

Back

To convert solar energy into chemical energy through photosynthesis.

Front

Define passive transport.

Back

The movement of substances across a cell membrane without the use of energy.

Front

What is the role of decomposers in an ecosystem?

Back

To break down dead organic matter and recycle nutrients back into the soil.

Front

What is the difference between a herbivore and a carnivore?

Back

Herbivores eat plants, while carnivores eat other animals.

Front

What is the significance of the cell membrane?

Back

It regulates what enters and exits the cell, maintaining homeostasis.