Characteristics of Life
How many characteristics of life are there?
8
What is a population?
a group of organisms that produce fertile offspring
What are the 3 main types of feeding relationships?
Producer and consumer, predator and prey, parasite and prey
What is growth rate?
the rate at which a population in increasing or decreasing
what is a birthrate?
What is homeostasis?
an organisms ability to maintain relatively stable internal conditions
What is a community?
Several interacting populations that inhabit a common environment.
What is an example of a producer and consumer?
Grass and rabbits
what is a niche?
an organism's job in an ecosystem
what is a death rate?
the amount of individuals in a population dying
DNA
What is an ecosystem?
all that organisms that live in a place together with their physical environment
What is an example of a parasite and host?
ticks and human
what is carrying capacity?
the amount of individuals that the ecosystem can support
what is a habitat?
the area an organism lives in
What are the eight characteristics of life?
Made up of cells, DNA, Matter and Energy, Growth and Development, Reproduction, Homeostasis, Change Over Time, Response to their environment
What is a biome?
a group of ecosystems that share similar climates and typical ecosystems
What is an example of a predator and prey?
Fish and eagle
what is immigration?
individuals going into a population
what is a limiting nutrient?
1 nutrient that limits the growth on an ecosystem based on its availability
How many of the characteristics of life must something have to be an organism?
8
What is a biosphere?
our entire planet, with all its organisms and physical environment
How many types of main feeding relationships are there?
what is emigration?
what is exponential growth?
given enough nutrients an ecosystem could grow forever