Cells & Microbiology
Plants
Energy & Biomes
Cycles in Nature
Evolution & Classification
100

What is the control center of the cell that contains DNA?

What is the nucleus?

100

This part of the plant absorbs water and anchors it.

What are the roots?

100

Which biome has frozen ground and a short growing season?

What is the tundra?

100

Which cycle includes condensation and precipitation?

What is the water cycle?

100

What does artificial selection mean?

What is humans choose traits to breed for.

200

These make proteins inside the cell. 

What are ribosomes?

200

What process happens in the leaves of a plant?

What is photosynthesis?

200

Grasslands are mostly covered with what type of plant?

What are grasses?

200

Which cycle adds oxygen to the atmosphere?

What is photosynthesis?

200

What is natural selection?

What is the process where organisms with helpful traits survive and reproduce?
300

What is the jelly-like substance inside cells?

What is cytoplasm?

300

This part of the flower becomes the fruit.

What is the ovary?

300

What do we call organisms that break down dead matter?

What are decomposers?

300

What takes in CO2 during the carbon cycle?

What are plants?

300

A human arm and a bat wing are examples of what kind of structure?

What are homologous structures?

400

Which part helps bacteria move?

What is flagella?

400

What two vascular tissues transport water and nutrients?

What are xylem and phloem?

400

A bird eating ticks off a cow is an example of what relationship?

What is mutualism?

400

What cycle converts nitrogen gas into usable forms?

What is the nitrogen cycle?

400

What's the correct order of classification from biggest to smallest?

What is Kingdom, Phylum, Class, Order, Family, Genus, Species?

500

What is the difference between algae and fungi?

Algae photosynthesize, fungi absorb nutrients and decompose matter.

500

Name 3 organelles found in a plant cell, but not in an animal cell.

What are chloroplasts, cell wall, and large central vacoule?

500

What is a keystone species?

What is a species that plays a crucial role in maintaining ecosystem balance?

500

Name two sources of CO2 in the carbon cycle.

What are respiration and combustion?

500

Which of these is a lie? Evolution happens quickly in one generation. | Fossils show change. | Helpful traits survive. 

What is 'Evolution happens quickly in one generation'?