Ecological Succession
A disaster that destroys an ecosystem
Disturbance
Catastrophic event
Organisms that eat both plants and animals
omnivore
Having a variety of different species supports an ecosystem by making it more __________________
The brain of the cell is the ______________.
Nucleus
The first organisms to colonize a new ecosystem
Pioneer species
The diet of a primary consumer will consist of
plants (producers)
Ms. Thomas told a weird story about potatoes in Ireland where the entire countries’ potato crop failed because they were all the same. This was due to lack of _____________________.
Biodiversity
Genes are sections of DNA that are wound up to create ___________________.
chromosomes
_____________ gradually increases during the process of succession as the ecosystem gets closer to climax community.
Biodiversity
Organisms that break down dead things and cycle nutrients into the soil
decomposer
_______________ refers to organisms that are native to the area.
Native species
The info for our inherited traits is stored in ______________________.
nucleus of the cell
Name a disturbance for each type of succession (primary vs. secondary)
Primary: volcano, glaciers moving, extreme erosion
Secondary: fire, flood, hurricane, deforestation
The trophic level that is responsible for bringing energy into the ecosystem
Producers
Organisms that are not natural to the environment and negatively impact the ecosystem are called ________________ _____________. (example: feral hogs)
invasive species
Snakes have thermal vision, meaning they can detect heat which helps them locate prey. This is an example of ________________________________.
physiological adaptations
What type of species might you expect to see after grasses and weeds during ecological succession
shrubs, perennials, small animals
Synonyms for producer and consumer
Autotroph = producer
Heterotroph = consumer
Name 3 ways invasive species impact the ecosystem.
- Competing for food
- Competing for space/habitat
- Decreasing biodiversity
Name 3 ways plant cells are different from animal cells.
- Animal cells don't have a cell wall
- Plant cells have chloroplasts
- Plant cells have one large vacuole, animal cells have several small
- Plant cells are square, animal cells are round