Responses to the Environment
The roots of a plant will grow towards water.
What is hydrotropism?
The amount of energy that is transferred between trophic levels.
What is 10%?
The symbol for population size.
What is N?
Name a human disturbance that is a major threat to biodiversity.
What is overharvesting, deforestation, urbanization,(habitat loss), pollution (climate change), introduction of invasive species etc. ?
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?
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?
Name two types of interspecies interactions that occur when one organism benefits and one gets harmed.
What is parasitism, predation and herbivory?
Type of learning characterized by establishing memories based upon the animal’s surroundings
What is spatial learning?
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?
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 and altruism?
The gross primary production minus the energy used by the primary producers for respiration.
What is the net primary production?
Species have a short lifespan and produce many offspring that require little to no parental care.
What are r- selected species?
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 biogeochemical cycle that is important specifically for the formation of amino acids, proteins and nucleic acids.
What is the nitrogen cycle?
The _____ _____ is the stimulus causing the behavior and the _____ _____ is how the behavior helps the organism survive and reproduce.
What is the proximate cause and ultimate cause?
_______________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?
Constant death rate over the lifespan of the organism.
What is a type 2 survivorship curve?
The _____ _____ is the role potentially occupied by the species if there were no limiting factors and the _____ _____ is the role the species actually occupies.
What is the fundamental niche and realized niche?
Allows plants to develop in response to day length; plants flower only at certain times of the year
What is photoperiodism?