Lesson 1: Levels of Organization
Body Systems
Body Systems Cont. / plants
Lesson 2: Plant Bodies
Lesson 4: Info Processing in Animals

100

a living thing; anything that can carry out life processes independently

Organism

100

____________________ delivers nutrients and oxygen to all cells in the body.

Circulatory System

100

____________________ breaks down food into essential nutrients and expels solid waste from the body.

Digestive System

100

What are the two major groups of plants called?

vascular and non-vascular

100

the maintenance of a constant internal state in a changing environment

homeostasis

200

a group of similar cells that perform a common function

Tissue

200

____________________ takes in oxygen and releases carbon dioxide as we breathe.

Respiratory System

200

____________________ removes liquid wastes from the body.

Excretory System

200

a plant organ that is the main site of photosynthesis and transpiration

leaf

200

______________________ is a cycle of events in which information from one step controls or affects a previous step. 

feedback

300

a collection of tissues that carry out a specialized function of the body

Organ

300

____________________ moves bones, causes the heart to beat, and moves food through the digestive system. 

Muscular System

300

The root system that branching roots  grow close to the soil surface and grows out wide to form mats to firmly plant the plant in the soil. 

fibrous root system

300

the mainly underground organ of vascular plants that holds plants in place and absorbs and stores water and minerals from the soil

root

300

the ability to store and recall past experience

memory

400

a group of organs that work together to perform body functions

Organ System

400

____________________ supports the body, protects organs, allows movement, and makes blood cells.

Skeletal System

400

tiny openings in a plants leaf surface where water, carbon dioxide and oxygen can enter and exit the plant. 

stomata

400

a plant structure that provides support and transports nutrients

stem

400

environmental messages such as light, heat, and pressure that an organism may respond to.

stimulus

500

What is the order of structure for living organisms from smallest to largest?

cells, tissues, organs, organ systems, organism

500

____________________ controls body movements and controls communication between the brain and the environment. 

Nervous System

500

The process that plants use to grow towards light.


The Process that a plant goes through to grow in response to gravitational pull on the plant.

phototropism


Geotropism

500

The root system that is mainly one large root structure with many smaller branch  roots. 

taproot

500

an action that an individual carries out in response to a stimulus or to the environment

behavior