Cyanobacterium

Cyanobacteria, also known as blue-green algae, are a group of photosynthetic bacteria that are capable of producing oxygen through photosynthesis. They are important in the production of oxygen and the cycling of carbon and nitrogen in the environment. Cyanobacteria can be found in a wide range of habitats including freshwater, marine, and terrestrial environments.

Characteristics of Cyanobacteria

Prokaryotic organisms
Capable of oxygenic photosynthesis
Contain chlorophyll a and phycobiliproteins
Can fix atmospheric nitrogen
Some species can form harmful algal blooms

Importance of Cyanobacteria

Cyanobacteria play a crucial role in the global carbon and nitrogen cycles. They are also important in providing a food source for aquatic organisms and are used in various biotechnological applications such as biofertilizers and biofuels.

Study Guide

Describe the structure of cyanobacteria and their cellular organization.
Explain the process of oxygenic photosynthesis in cyanobacteria and the role of chlorophyll and phycobiliproteins.
Discuss the ecological importance of cyanobacteria in the environment and their role in nitrogen fixation.
Examine the potential harmful effects of cyanobacterial blooms on aquatic ecosystems and human health.
Explore the biotechnological applications of cyanobacteria in biofertilizers and biofuels.

◂Physics Worksheets and Study Guides High School. Thermodynamics

The resources above cover the following skills:

PHYSICAL SCIENCE (NGSS)

Matter and Its Interactions

Students who demonstrate understanding can:

Develop a model to illustrate that the release or absorption of energy from a chemical reaction system depends upon the changes in total bond energy.

Energy

Students who demonstrate understanding can:

Create a computational model to calculate the change in the energy of one component in a system when the change in energy of the other component(s) and energy flows in and out of the system are known.

Plan and conduct an investigation to provide evidence that the transfer of thermal energy when two components of different temperature are combined within a closed system results in a more uniform energy distribution among the components in the system (second law of thermodynamics).