A ____________ is the smallest unit of a living thing that can carry out the basic process of life.
cell
100
What is the narrowest group and organism can be classified into?
species
100
The process by which leaves make food is called ________.
photosynthesis
100
A living thing that has an irregular shape is _________.
asymmetrical
100
The ____________ is made up of bones, tendons, and ligaments.
skeletal system
200
A chemical that causes the leaves of a plant to appear green is.....
chlorophyll
200
Scientists use _________ to group living things.
classification
200
In the plant stem, the xylem and phloem are produced in the ____________.
cambium
200
A jellyfish has a ______________ body plan.
A. radially symmetrical
B. asymmetrical
C. Bilaterally symmetrical
D. Complex
A. radially symmetrical
200
The _____________ provides animals with the power to move.
muscular system
300
A __________ is a living thing
organism
300
A ___________ consists of living things that are grouped by internal form and structure.
kingdom
300
An area of a plant through which sugars move is the......
phloem tissue
300
Where do all porifera live?
in the water
400
A group of cells work together to form...
tissues
400
What is the main difference between plants and fungi?
Plants make their own food. Fungi do not.
400
What is the cuticle of a plant?
The cuticle is a waterproof layer of a leaf that prevents moisture from evaporating
400
What kind of skeleton do echinoderms have?
endoskeleton
400
Which body system does the esophagus belong to?
digestive system
500
What are the differences between plant cells and animal cells?
Plant cells have a cell wall and have a defined organization. They have one vacuole and contain chlorophyll. Animal cells do not have a cell wall and they have multiple vacuoles.
500
The scientific name of an animal comes from its:
species and genus
500
Which type of plant would be more likely to be damaged in a storm with high winds: Soft stem or woody stem?
Soft stems would be damaged because they are not as strong.
500
What do bony fish have that sharks do not?
swim bladders
500
What are the three levels of cellular organization in animals? (Lesson 1 and Lesson 5)