Keystone Species
Controls the population of prey species
What is a predator?
What is called when individuals in a population vary from each other?
What is variation?
The disappearance of a species from Earth.
When one male is paired with one female for the mating season.
What is monogamy?
Species that scientists use to test and better understand the human body and species that affect us.
What are model organisms?
The most common type of keystone species.
What is a predator?
The curve that describes the growth of a population over time with limited resources.
What is an S-Curve?
Shifts in climate, geological events, and changes in available resources are caused by?
What is environmental changes
Let mates know they are healthy, have genetic fitness, and would produce fit offspring
True or False: Model organisms can include species from all three domains (eukarya, archaea, and bacteria), as well as viruses.
True
A phenomenon where the population of apex predators significantly impacts the population/density of prey
What is a top-down trophic cascade?
The 4 principles of natural selection.
What is VIST (variation, inheritance, selection, time)?
What may happens to a species genetic diversity due to reproductive isolation?
Species will diverge and lose gene flow
If species spends a large amount of their energy in courting rituals, they are more likely to......
Parent the offspring together to adulthood
True or False: Most model organisms have long generation times.
False
What type of keystone species is a beaver?
What is an ecosystem engineer?
Why would a species be more likely to be "selected"?
What drove the Dodo birds to extinction?
Competition for resources, extreme weather, evolutionary constraints (only laid one egg at a time)
What type of courtship display do gibbons have?
Auditory
Give an example of why mice are easy to identify as deaf.
They wouldn't respond to noise, wouldn't have a Preyer's reflex (ear twitch), and would have unusual head tossing and run in circles.
The syndrome where sea stars deteriorate and lose limbs
What is sea star wasting syndrome?
What is the red-dotted line on the S-curve called?
What cells are being used to bring the Dodos back to life?
Primordial Germ Cells (PGCs)
Why do female peacock spiders kill the male after mating?
To use his body as nourishment for eggs.
What is Drosophila melanogaster