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Ecology
Cells
Body Systems
Body parts
Genetics
100
Commensalism
In which type of symbiosis do both organisms benefit?
100
Cytoplasm
What is the gel-like fluid that occupies most of the space within a cell?
100
digestive system
What system breaks down food into nutrients that cell can use and disposes of solid waste?
100
Brain and spinal cord
What makes up the central nervous system?
100
Genotype
What refers to the genes an organism carries?
200
Decomposer
Which organism in a food web returns matter to the environment?
200
Eukaryote
What is a living thing whose cells contain a nucleus?
200
Circulatory system
What system transports oxygen to cells and carbon dioxide away from the cells?
200
Esophagus
What organ connects the mouth to the stomach?
200
Heredity
What is the passing of traits from one generation to the next?
300
Plants
Which group of organisms release oxygen as a waste product?
300
Mitochondria
What is an organelle that provides the cell with energy?
300
Immune system
What system protects against disease?
300
bladder
What is a muscular sac that holds urine until it exits the body?
300
Alleles
What are two forms of the same gene called?
400
Abiotic Factors
What are the nonliving parts of an ecosystem?
400
Chloroplasts
What are the organelles that capture the energy of sunlight?
400
Integumentary system
What system separates the body and the external environment?
400
Heart
What organ pumps blood through the body?
400
Selective breeding
What is the intentional mating of organisms to produce offspring with certain traits?
500
Limiting Factor
What is a factor that limits the number of individuals that can live in an ecosystem?
500
Cell Membrane
What controls what enters and leaves the cell?
500
Endocrine system
What system secretes hormones to regulate body functions?
500
White blood cells
What part of the blood helps the body fight disease?
500
Mutation
What is a change in a gene or chromosome?