1. The importance of phytoplankton and dust to our climate? Replace the numbers in the figure with the correct words from the list below.

Q: 5. A scientist is growing two species of bacteria. She defines a variable that represents the number…

A: Introduction  Bacterial growth occurs when a bacterium divides into two daughter cells, a process…

Q: The diagram shown here illustrates a typical marine food web that can be contaminated with mercury.…

A: When two or more than two food chains interconnect with each other to form a food chain network, it…

Q: What percent of the Earth is water?  Fresh water? 6.Explain the difference between endemic and…

A: water covers the 71% of the earth's surface and 3% is the total freshwater but 2.5% of freshwater is…

Q: 2. Justify the claim that photosynthetic protists are among the biosphere's most important…

A: Protists are the organism belonging to the kingdom Protista; these are simple, eukaryotic organisms…

Q: 3. Describe the process of energy transfer through trophic levels.

A: Energy decreased when it moves up trophic levrls. Energy is lost as heat wen organisms from one…

Q: 11. Soil can be important in lessening the effects of climate change because:   soil can be a large…

A: "Climate" is the average temperature, amount of water vapor in the air (humidity), and amount of…

Q: Which statement about the two communities pictured above is true? OCommunity 2 has lower species…

A: Species richness is basically the number of different species present in an ecological community.…

Q: In this food chain case, there are six trophic levels. Which of the following sequences lists the…

A: Phytoplankton : These are the microscopic plants found in both saline and freshwater ecosystems and…

Q: Coral reefs are built from the calcium carbonate secretions of coral polyps, and the resulting…

A: Coral reefs are decreasing in size due to effect of climate change.

Q: 1. Compare and contrast the different regions of the intertidal zones (below) for both rocky and…

A: Introduction :- An intertidal zone is the area of shoreline that is present between the low and high…

Q: 1. With antibiotic resistance rising, researchers are looking for ways to reduce use of these drugs.…

A: It is observed that some cattles;which once fed with antibiotic laced food;but now get probiotic…

Q: Which is not a mutualistic relationship? Answer Termites with protozoa and bacteria that digest…

A: The ecosystem is the functional unit of nature. There are two important components of the ecosystem-…

Prokaryotic evolution

The term evolution means the gradual change or a transformation from a simple or primitive state to a complex or advanced state. Prokaryotic evolution is a concept that involves the evolution of the form and function of most primitive organisms (prokaryotes) through several stages and changes to form diverse life as a part of organic evolution.