cells
ecosystems
heredity
food webs
whatever
100
Where cells come from.
What is other cells
100
All living things in an ecosystem are called _____ factors.
What is biotic
100
DNA wrapped around proteins thickens t become these structures
What are chromosomes?
100
The first level of a food web is always this.
What is a producer?
100
The organ system that breaks food into nutrients cells can absorb.
What is digestive system?
200
The organelle responsible for photosynthesis
What is a chloroplast
200
When plants begin to take over an area where previously none had lived.
What is primary succession
200
The process by which organisms create gametes (sex cells).
What is meiosis?
200
An omnivore eats these.
What is producers and consumers
200
Process by which organisms with certain traits survive and reproduce more successfully than others
What is natural selection?
300
The organelle involved in energy production
What is the mitochondria
300
Decomposers feed on
What is dead plants or animals.
300
A section of DNA that codes for a trait is called this
What is a gene?
300
Plants can be called ___________ or _____________.
What is producers, autotrophs
300
Factors that control a population's size in an ecosystem.
What are limiting factors?
400
Grouping cells together makes these.
What are tissues
400
A type of symbiotic relationship where one partner benefits and the other is unaffected.
What is commensalism
400
Give an example of a human haploid cell
What is a sperm cell or an egg cell?
400
A carnivorous, secondary consumer eats these.
What are primary consumers?
400
The body's desire to maintain a stable internal environment.
What is homeostasis?
500
The type of cell that all bacteria are
What is prokaryotic
500
A community is made up of these.
What are populations
500
A dominant allele paired with a recessive allele (Bb, for instance), is referred to as what genotype?
What is heterozygous
500
How much energy is passed up to each level in the food chain?
What is 10%
500
Genetic traits that help organisms survive in their environments.
What are adaptations?
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