Show:
Darwin
Genetics & Adaptations
Adaptation
Evolution
Miscellaneous
100
All individuals in a population show some differences from one another. What did Darwin call these differences?
Variations
100
Most organisms that have the capability to adapt and evolve come from this type of reproduction
What is sexual or meiosis
100
This environmental factor affects the shape and structure of a bird's beak
What is the food source or diet
100
changes in groups of organisms over time
What is evolution
100

Ancient imprints of organisms in these gave clues to scientists about evolution

fossils

200
The basis for Darwin's evolution theory; states that those best suited to an environment will reproduce and those unsuited will eventually die out.
What is natural selection
200

What makes a populations gene pool?

all the alleles carried by members of the population
200
a trait shaped by natural selection that increases and organisms chance of survival and reproduction
What is an adaptation
200

This type of evolution is quick and sporadic, sometimes caused by mutation

punctuated equilibrium.

200
When organisms share more DNA with each other they are _________ related.

closely

300

The idea that organisms produce more offspring than an environment can support.

overproduction

300

An animal is growling to another animal telling it to stay out of its space, what kind of adaptation is this?

behavioral

300

Failure to adapt results in this

extinction/death

300
The idea that species evolve very slowly and over long periods of time
What is gradualism
300

What is a branching diagram that shows evolutionary relationship?

cladogram

400
This occurs when an outside breeder selects the most desired traits to pass from parents to offspring
What is artificial selection
400

When a plant stops all metabolic activity due to not having enough resources.

dormancy

400
Similar body structures across species that are used as evidence of a common ancestor
What are homologous structures
400
A body structure that is thought to have been reduced from its functioning size because of lack of use in a population
What is a vestigial structure
400
It has been scientifically proven that individual organisms can adapt, but do not evolve. What does evolve?
What is a species, population, group of organisms over generations
500

the idea that species change over time, give rise to new species, and share a common ancestor.

descent with modification

500

Genetic diversity and variations within a population come from what processes in meiosis?

What are crossing over and/or mutations

500

What is a plants response to stimuli called.

Tropism

500

Branch of biology that studies the prenatal development of gametes, fertilization, and fetuses.

embryology

500

Different body structures but adapted to the same environment so they have the same function.

analogous structures