Cells and Characteristics of Living Things

The basic unit of life is called a (n)

• atom
• compound
• cell
• energy

Which characteristic of living things is represented in the picture?

• Share similar chemicals

• Grows and develops

• Responds to stimuli

• Evolves (as a population)

Which of the following characteristics of living things best explains why humans sweat when they get hot?

• maintaining a stable internal enviornment
• growth and development
• using energy
• ability to reproduce

Which of these do living things NOT need to be considered a living thing?

• DNA
• Respond to change
• Permanent Home
• They reproduce

Living things do all the following EXCEPT:

• Respond to stimulus
• Grow and develop
• Maintain homeostasis
• Breathe

What is the function of the cell membrane?

• To control what comes in and out of the cell

• To break down food inside the cell

• to serve as a barrier

• to eat the cells food

Which organelle produces the energy a cell needs to carry out its function

• Mitochondria

• Golgi Bodies

• Cytoplasm

• Nucleus

Rigid, outermost layer of the plant cell

• nucleus
• cell membrane
• cell wall
• cytoplasm

Contains chlorophyll and is where photosynthesis takes place. Found in plant cells only.

• mitochondria
• chloroplast
• vacuole
• cytoplasm

The nucleus is like the ____________ of the cell.

• foot
• hand
• stomach
• brain