SI 8/25/25 Flashcardziz

Front

What charge does an electron have?

Back

Negative

Front

What are the two main ideas that Charles Darwin wrote about after visiting the Galapagos Islands?

Back

Descent with modification and natural selection

Front

Which of these is NOT a biotic factor?

Back

Sunlight

Front

What is a phylogenetic tree?

Back

A diagram that shows the evolutionary relationships among various biological species.

Front

What is one of the 3 Tenets of Cell Theory?

Back

Cells are the most basic unit of life.

Front

What is natural selection?

Back

The process where organisms better adapted to their environment tend to survive and produce more offspring.

Front

What is convergent evolution?

Back

The process where organisms from different evolutionary backgrounds develop similar traits.

Front

What is a homologous structure?

Back

An anatomical feature that is similar in different species due to shared ancestry.

Front

What is genetic drift?

Back

A mechanism of evolution that refers to random changes in the frequency of alleles in a population.

Front

What is a biotic factor?

Back

Any living component that affects the population of another organism.