B4.2 Ecological niches Questionbank

Beating Procrastination Everyday!

Fundamental Niche WHERE IT COULD LIVE

the full range of conditions and resources where a species could potentially survive and reproduce, based on it’s physiological tolerance

Realized Niche WHERE IT ACC LIVES

The actual range of conditions and resources where a species lives in nature, after interactions with other organisms such as predation and competition

Ecological Niche SPECIES ROLE

role of species in an ecosystem, including it’s use of resources and interactions with other species

2 ROLES OF ATP

ATP binds to myosin -> Myosin detaches from actin

ATP hydrolysis -> ADP + Pi (inorganic phosphate) + energy = Myosin head returns to its cocked position

Titin

Acts as a molecular spring that prevents overstretching