When oxygen concentrations are low, hemoglobin releases oxygen to become carboxyhemoglobin. when oxygen concentrations are low, hemoglobin releases oxygen to become carboxyhemoglobin. a. true b. false?

Microorganisms aren’t all decomposers; in fact, many act as producers or primary consumers in an ecosystem. how do microorganisms that act as producers benefit the rest of an ecosystem in terms of energy transfer? what about microorganisms that act as primary consumers?

Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere