Responses to the Environment
The roots of a plant will grow towards water.
What is hydrotropism?
Nonliving
What is abiotic?
An example of a density-dependent regulation
What is ....?
Competition
Predation
Territoriality
Disease
Etc.
Species in an ecosystem that play a pivotal role and other species rely on them.
What is a keystone species?
One reason as to why invasive species pose such a huge problem.
What is....?
They outcompete native species
They lack natural predators
They tend to reproduce quickly
Etc.
Directional movement towards or away from a stimulus that is seen in animals.
What is taxis?
The amount of energy that is transferred between trophic levels.
What is 10%?
The symbol for population size.
What is N?
A series of changes that clears an existing community, but leaves the soil intact
What is secondary succession?
The first species to appear during ecological succession.
What is a pioneer species?
________ behaviors tend to increase the fitness of the entire population, but there are some behaviors under this category that reduce an individuals fitness while increasing the fitness of the rest of the population. These behaviors are known as _______.
What is cooperative?
What is altruism?
Use thermal energy from metabolism to maintain body temperatures
What is an endotherm?
The type of dispersion pattern that occurs when individuals gather in groups.
What is clumped?
The type of interspecies interaction that occurs when one organism benefits and the other is neither harmed nor benefitted.
What is commensalism?
The type of interspecies interaction that occurs when both organisms are negatively impacted.
What is competition?
Establishing memories based upon the animal’s surroundings
What is spatial learning?
_______________will secrete digestive enzymes to break down organic matter and then absorb the nutrients. ______________ will eat the decaying matter and digest it internally.
What are decomposers?
What are detritivores?
Species have a short lifespan and produce many offspring that require little to no parental care.
What are r- selected species?
The niche potentially occupied by the species if there were no limiting factors
What is the fundamental niche?
Allows plants to develop in response to day length; plants flower only at certain times of the year
What is photoperiodism?
How a behavior helps an animal survive and reproduce.
What is the ultimate cause?
The gross primary production minus the energy used by the primary producers for respiration.
What is the net primary production?
Constant death rate over the lifespan of the organism.
What is a type 2 survivorship curve?
The type of mimicry that occurs when a harmless species mimics a harmful one.
What is Batesian mimicry?
The type of biogeochemical cycle that is important specifically for the formation of amino acids, proteins and nucleic acids.
What is the nitrogen cycle?