What is a habitat
A place or area an organisms needs to survive.
what is ecological niche
the role an organism plays in a community
the higher the number of different habitats and niches in an ecosystem the greater the ______
Biodiversity
WHat is a terrestrial ecosystem
A terrestrial ecosystem is a community of living things and their environment that exists on land.
Terrestrial ecosystem can be characterised by their
Climate, Plants and animals adapted to the climate
Aquatic ecosystems can be charactreized by their
salt concentration, water depth and speed, plants and animals that are adapted to the conditions
Limiting factors
Abiotic and biotic characteristics of ecosystems that limit range, distribution and number of individuals in a population
Biotic factors
Living organisms in the environment
Abiotic Factors
Sunlight, temp, precipitation, nutrients, soil type, wind
Intraspecific competition
Competition within a speceies
INterspecific competition
Competition between different species
Predation
The predadotor kills and eats the prey( predator benefits only)
Parasitism
Parasitism is a type of relationship between two organisms where one benefits (the parasite) and the other is harmed (the host).
Adaptations
Inherited characteristics that help organisms survive and reproduce
Adaptations are the result pf gradual changes in the _____ over time
species
Taxonomy
is the science of naming, describing, and classifying organisms into groups based on their similarities and differences.
Broadest to specific classification level
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species.
Mnemonic for the classifications
Danish king Philip Came Over For Green Stew
All living things are divided into what 3 domains
Bacteria, Archaea, Eukarya
Bacteria kingdom class
Bacteria
Bacteria cell type
Prokaryotic
Bacteria Cellular organization and structure
unicellular, cells walls contain peptidoglycan
Mode of nutrition for bacteria
Autotrophic or heterotrophic
Archaea kingdom
Archaea