Ecosystems Flashcards
The first organism in a food chain
Producer
Not a producer
Consumer
A creature that hunts other animals
Predator
A creature that is hunted by other animals
Prey
generally, Why do creatures lose energy as heat
Respiration
Why can food chains not go on forever?
Because most of a creatures energy is lost as heat and cannot be gained by another creature
Biodiversity
Variety of plant or animal life in a particular habitat
Individual
A single living thing
Population
A group of same species organisms living in the same place
Community
A group of different species organisms living in the same place (or having a characteristic in common
Ecosystem
The interaction of a community of biotic things with abiotic parts of their environment
Biome
A large naturally occurring community of plants and animals occupying a major habitat
Biosphere
Regions of the surface and atmosphere of a planet with living organisms
What do animals compete for?
Space, food, water, mates
What do plants compete for?
Sunlight, Water, Space, Soil (Nutrients)
Interspecific Competition
Competition between different species
Intraspecific Competition
Competition within the same species
What is adaptation?
Special features or behaviours that make organisms particularly suited to its environment
When a cell has too much water
Turgid/Hypotonic
When a cell has too little water
Plasmolysed/Hypertonic
When a cell has a normal amount of water
Standard/Isotonic
What is Osmosis
Osmosis is the movement of water molecules from a high concentration of water molecules to an area of low concentration water molecules through a partially permeable membrane
The general movement of particles in two areas
Net Movement
Which solution will the net movement between pure water and a concentrated sugar solution go towards
The concentrated sugar solution
