Wildlife final: Section 1 Flashcards
What’s an animals niche
The functional role of an organism/ its job
How many dimensions can a niche have
Many but can be divided into 2(Ecological space, Physical space)
What is specialist species
Less range of conditions
What is generalist species
Greater range of optimal conditions
Logistic growth
Growth rate decrease as the species gets closer to carrying capacity
Limiting factors that lead to carrying capacity
- population density
- starvation or disease
What is the energy pyramid
Energy decreases as the trophic level increases `
What is at the bottom what is at the top
Top: tertiary
Bottom: producers (most energy)`
Key components of habitat
- Water
- Food
- Space
- Shelter
What is natural selection
Process that determines what individuals pass on their genes
What are biomes
different climates with different plant and animal species
Biodiversity change nearer to the poles
The biodiversity decreases as you get closer to the poles
R-strategist
- Small organisms
- Short lived
- Many offspring
K-strategist
- Large organizations
- Long life
- Produce few offspring
Ecosystem service
- Provisioning
- Regulating
- Supporting
- Cultural