Front

What is a biotic limiting factor?

Back

A biotic limiting factor is a living component of an ecosystem that affects the size of a population. Example: the number of predators.

Front

What is the location of a gene on a chromosome called?

Back

The location of a gene on a chromosome is called a locus.

Front

What is a phylogenetic tree?

Back

A phylogenetic tree is a diagram that shows the lines of descent from a common ancestor for different species.

Front

What does an energy pyramid represent?

Back

An energy pyramid represents the amount of energy available at each trophic level in an ecosystem.

Front

What is a limiting factor?

Back

A limiting factor is anything that regulates the size of a population of another organism.

Front

Define 'allele'.

Back

An allele is a variant form of a gene that can produce different traits.

Front

What is a karyotype?

Back

A karyotype is a visual representation of an individual's chromosomes, used to assess chromosomal abnormalities.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup of an organism, while phenotype refers to the observable traits.

Front

What is the role of producers in an ecosystem?

Back

Producers, such as plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, representing the flow of energy and nutrients.