1. Give two examples of biotic and abiotic factors in the salt-marsh ecosystem.
2. Using the salt-marsh example, distinguish between populations, communities, ecosystems, and the biosphere.
3. What do you think would happen to the other organisms in the salt-marsh ecosystem if the cordgrass would suddenly die?

Which sequence represents a cross section of the bilayera hydrophilic head, hydrophobic tail, hydrophobic tail, hydrophilic headb hydrophobic tail, hydrophilic head, hydrophobic tail, hydrophilic headc hydrophobic head, hydrophilic tail. hydrophilic tail, hydrophobic headd hydrophilic tail, hydrophobic head, hydrophobic head, hydrophilic tail

What drives an advertising campaign?

Ecology can best be described as the study of what