Notes

This worksheet can be can be used for practice, review, assessment, homework, and test preparation.

Print Instructions

NOTE: Only your test content will print.
To preview this test, click on the File menu and select Print Preview.




See our guide on How To Change Browser Print Settings to customize headers and footers before printing.

Life Science Vocabulary Review (Grade 7)

Print Test (Only the test content will print)
Name: Date:

Life Science Vocabulary Review

1. 
The                 is the sphere inhabited by life.
  1. biosphere
  2. geosphere
  3. atmosphere
  4. hydrosphere
 
2. 
The complex interactions of different organisms with one another and with their environment is called                .
  1. biome
  2. community
  3. ecosystem
  4. population
3. 
Features of the environment that are alive, or were once alive are called                .
  1. abiotic
  2. biotic
  3. climate
  4. community
 
4. 
What is a characteristic of an organism called that increases its chances of survival in its environment?
  1. species
  2. camouflage
  3. behavior
  4. adaptation
5. 
The number of a group of the same kind of living things that live in the same place is called a                .
  1. habitat
  2. population
  3. ecosystem
  4. community
 
6. 
What is the name of a model that shows ALL the feeding relationships in an ecosystem?
  1. habitat
  2. food web
  3. food chain
  4. biosphere
7. 
Organisms such as green plants or algae are called                .
  1. decomposers
  2. herbivores
  3. consumers
  4. producers
 
8. 
An animal that eats only plants or producers is a(n)                .
  1. consumer
  2. herbivore
  3. carnivore
  4. omnivore
9. 
A type of symbiotic relationship in which one organism benefits and the other organism is harmed is called                .
  1. mutualism
  2. commensalism
  3. parasitism
  4. niche
 
10. 
What are the two types of ecological succession?
  1. Primary and Secondary
  2. Abiotic and Biotic
  3. Plants and Animals
  4. Erosion and Deposition
11. 
Which adaptation enables organisms to be hidden or disguised in their surroundings, possibly providing an advantage?
  1. Mimicry
  2. Camouflage
  3. Mutation
  4. Evolution
 
12. 
Which of these are individual ecosystems grouped together according to the climate and the predominant vegetation?
  1. ecosystems
  2. communities
  3. populations
  4. biomes
13. 
If a species dies out, it is said to be:
  1. mutated
  2. varied
  3. adapted
  4. extinct
 
14. 
What is the first stage in the life of a plant?
  1. fertilization
  2. pollination
  3. germination
  4. reproduction
  5. seed dispersal
15. 
The structure in seed plants that supports the other parts of plants is the
  1. root
  2. stem
  3. seed
  4. leaf
 
16. 
Plants that produce seeds enclosed in a fruit.
  1. angiosperms
  2. cotyledons
  3. germination
  4. reproduction
17. 
Carbon dioxide enters the leaves through the                .
  1. roots
  2. stem
  3. stomata
  4. flowers
 
18. 
Tropism is the process of
  1. movement of a plant toward or away from a stimulus
  2. making sugar from sunlight
  3. transporting water along a stem
  4. adaptation to a hot climate
19. 
What process produces carbon dioxide?
  1. photosynthesis
  2. replication
  3. mutation
  4. respiration
 
20. 
Plants use sunlight to make food in a process called
  1. respiration
  2. photosynthesis
  3. fermentation
  4. mitosis
21. 
The theory that life could spring from nonliving matter is called:
  1. spontaneous generation
  2. asexual reproduction
  3. homeostasis
  4. stimulus/response
 
22. 
Passing traits from parents to offspring is called
  1. genetics
  2. heredity
  3. evolution
  4. gene
23. 
What an organism looks like, or other detectable characteristics, is its                 .
  1. genetic variable
  2. genotype
  3. phenotype
  4. allele
 
24. 
Which of these choices describes a segment of DNA that determines a specific trait in a person, such as attached earlobes?
  1. a gene
  2. a phenotype
  3. a chromosome
  4. a characteristic
25. 
                is the term used to refer to an organism that has two different alleles for the same trait.
  1. Genotype
  2. Phenotype
  3. Homozygous
  4. Heterozygous
 
26. 
A sudden change in an organism's genes is called                .
  1. biodiversity
  2. mutation
  3. symbiosis
  4. taxonomy
27. 
The twisted shape of DNA is called a                .
  1. double ladder
  2. double helix
  3. nucleotide
  4. base pair
 
28. 
What is the name of a model that can be used to predict the outcome of a genetic cross?
  1. Punnett square
  2. Mendel square
  3. Concept map
  4. Allele triangle
29. 
What is the basic unit of structure and function of all living things?
  1. tissue
  2. organ
  3. system
  4. cell
 
30. 
The part of a cell that provides support for plant cells is the
  1. cytoplasm
  2. mitochondria
  3. endoplasmic reticulum
  4. cell wall
31. 
Cells make their own proteins on small structures called                .
  1. DNA
  2. Cytoplasm
  3. Ribosomes
  4. Cytoskeleton
 
32. 
What structure in a cell is considered the "power plant" of the cell?
  1. cell membrane
  2. mitochondria
  3. nucleus
  4. cytoplasm
33. 
The movement of substances through membranes without the use of the cell's energy is called                     .
  1. Passive Transport
  2. Cellular Respiration
  3. Osmosis
  4. Active Transport
 
34. 
What is a chloroplast?
  1. The regular growth and division that cells undergo
  2. A structure in a cell that controls what enters and leaves a cell
  3. A water-filled sac inside a cell that acts as a storage area
  4. A structure in the cells of plants that captures energy from sunlight and uses it to produce food
35. 
The process by which the number of chromosomes is reduced by half to form sex cells is called                .
  1. DNA replication
  2. mitosis
  3. meiosis
  4. cytokinesis
 
36. 
Which of the following is reproduction that requires male and female sex cells?
  1. asexual reproduction
  2. sexual reproduction
  3. mitosis
  4. heredity
37. 
A form of asexual reproduction used by some fungi, such as yeast. A small growth forms on the parent cell. Then the nucleus in the parent cell divides in two. The growth breaks off and lives as a new, separate organism.
  1. Binary Fission
  2. Conjugation
  3. Budding
 
38. 
The scientific study of how things are classified is called                .
  1. development.
  2. biology.
  3. taxonomy.
  4. evolution.
39. 
Invertebrates are animals that                       .
  1. do not have a backbone
  2. have a backbone
  3. eat meat
  4. eat plants
 
40. 
The largest group into which an organism is classified is the                .
  1. order
  2. class
  3. kingdom
  4. genus
41. 
Which of the five kingdoms does the following describe: multicellular, specialized tissues, can NOT make their own food?
  1. Monera
  2. Protista
  3. Fungi
  4. Plantae
  5. Animalia
 
42. 
A cold-blooded animal that lays eggs with a leathery shells and has a dry, protective covering of horny scales or plates is called a/an                .
  1. amphibian
  2. lizard
  3. reptile
  4. mammal
43. 
Some animals change a great deal as they mature. They have one kind of body when they are young and a different kind of body as an adult. What is this process called?
  1. bacteria
  2. chromosome
  3. fertilized egg
  4. metamorphosis
 
44. 
What is the system responsible for taking in oxygen and removing carbon dioxide from the body?
  1. Circulatory
  2. Respiratory
  3. Excretory
  4. Digestive
45. 
This system is responsible for breaking down food so that nutrients may enter the blood stream.
  1. circulatory
  2. respiratory
  3. digestive
  4. excretory
 
46. 
What are neurons?
  1. Cells that give, receive, and handle information
  2. Cells that help your body to grow physically larger
  3. Cells that you don't have when you are first born
  4. Cells that only exist in your lungs
47. 
When sperm cells fertilize egg cells, the product is called a:
  1. zygote
  2. hyphae
  3. gamete
  4. chromosome
 
48. 
Glands are organs located throughout your body that secrete or release substances called                .
  1. hormones
  2. enzymes
  3. bile
  4. uric acid
49. 
What type of symmetry does a human have?
  1. radial
  2. bilateral
  3. reflection
  4. asymmetry
 
50. 
The process by which an organism gets rid of waste materials is
  1. ingestion
  2. digestion
  3. respiration
  4. excretion

Become a Help Teaching Pro subscriber to access premium printables

Unlimited premium printables Unlimited online testing Unlimited custom tests

Learn More About Benefits and Options

You need to be a HelpTeaching.com member to access free printables.
Already a member? Log in for access.    |    Go Back To Previous Page