Characteristics of Life
Levels of Organization
Ecosystems & Communities
Food Chains & Energy Flow
Cells, Organelles & Biomolecules
100

What are all living things made of?

Cells

100

What is the simplest level of organization?

Cells

100

What do we call the living parts of an ecosystem? 

Biotic factors

100

What type of organism makes its own food?

Producer

100

What organelle controls the cell?

Nucleus

200

What is the term for maintaining a stable internal environment?

Homeostasis
200

What do we call a group of similar cells working together?

Tissues

200

Give an example of an abiotic factor.

Water, temperature, rocks, etc

200

What do we call organisms that eat plants?

Herbivores

200

What organelle produces energy for the cell?

Mitochondria

300

What do we call all the chemical reactions in an organism?

Metabolism

300

The heart and lungs are examples of what level of organization?

Organs

300

What is all the different species living in an area called?

Community

300

What type of consumer eats both plants and animals?

Omnivores

300

What biomolecule provides quick energy?

Carbs

400

What characteristic of life ensures traits can be passed to offspring?

Reproduction

400

What is the most complex level of organization?

Organism

400

What happens when organisms fight for the same limited resource?

Competition

400

What happens to energy as it moves up a food chain?

It decreases/is lost

400

Why is the cell membrane described as selectively permeable?

It allows some substances to pass while blocking others

500

What is it called when an organism reacts to changes in its environment?

Response to stimuli

500

If one organ in the digestive system stops working, which level of organization is most directly affected?

Organ System

500

If a top predator is removed from an ecosystem, what is one likely effect on the rest of the community?

Prey populations increase / imbalance in the ecosystem

500

If grass → rabbit → fox is a food chain, which organism has the most energy?

Grass

500

Which organelle would be most affected if a cell could no longer make proteins?

Ribosomes