8th grade life science

What organelle do plants have surrounding their cells that animals lack?

• Cell Wall

• Woody Stems

• Cell Membrane

• Sharp Thorns

When many organ systems work together it can form...

• organ

• cells

• organism

• organ system

Which organelle is only found in a plant cell?

• nucleus

• chloroplast

• mitochondria

• cell membrane

Directs all cell activities through the DNA located there.

• Lysosomes

• Nucleus

• ribosomes

• Mitochondria

What is the gel-like substance inside of cells called?

• photoplasm

• cytoskeleton

• photosynthesis

• cytoplasm

Which of the following is not part of the cell theory?

• cells must contain DNA

• all living things are made from cells

• cells can only come from other cells

• cells are the basic unit of life

Which organ system takes in oxygen and releases carbon dioxide?

• Chemical system

• Respiratory system

• Circulatory system

• Endocrine system

Plants use the sunlight to make their own food. Therefore, plants are

• Producers, which produce energy for the rest of the ecosystem

• Consumers, consuming other living things in an ecosystem

• predators, top of the food chain

Which organisms make energy available to all other organisms in a food chain?

• consumers

• decomposers

• producers

Which of the following is an example of a predator?

• Wolf

• Owl

• Snail

• Plant