WorksheetsEcology, Microbes, and Autotrophs
Total questions: 13
Worksheet time: 1hrs 5mins
This type of microbe is the most numerous in the ocean, is not considered to be alive, and needs a host to survive.
Bacteria
Archaea
Protist
Virus
What does this image depict?
Food chain
Food web
Autotrophs
Heterotrophs
What is the term for the most individuals that a population can support in a given environment?
Maximum capacity
Carrying capacity
Ecosystem
Birth rate
All of the following can be considered to be phytoplankton EXCEPT:
Cyanobacteria
Diatoms
Dinoflagellates
Sea grass
Which type of marine plant has the highest species diversity and prefers to be submerged?
Salt marshes
Sea grasses
Seaweed
Mangroves
This type of algae is found in deeper waters and most species have a rough, spiky texture that make them unappealing to predators.
Green algae
Brown algae
Red algae
Diatoms
Which of the following is a way that virus populations are controlled
Consumption by bacteria
Attachment to a viable host
Destruction by UV light from the sun at the ocean surface
Consumption by protists
Archaea are microbes that:
Usually cause disease in other organisms
Live in extreme environments
Are extremely common and widespread
Are usually decomposers that break down organic matter
Which of these traits applies to marine bacteria?
Most are decomposers
Some can use photosynthesis for food
Some can use chemosynthesis for food
All of these apply to marine bacteria
Which of these groups contains species that are multicellular autotrophs?
Diatoms
Marine lichen
Brown algae
Dinoflagellates
Which of the following is the major difference between marine plants and marine algae?
Algae can be found far from the coast
Plants can photosynthesize
Algae can use photosynthesis OR chemosynthesis to make food
Plants are green
Which of the following is the type of microbe responsible for causing red tides?
Dinoflagellates
Diatoms
Marine lichen
Green algae
A marine lichen looks like a single organism, but it is actually a mutualistic relationship between a fungus and:
A bacterium
An algae
A plant
A virus
