Biomes, Limiting Factors, Adaptations and Extremophiles

Organisms that can live in extreme environments are called:

• hooligans

• extremists

• extremophiles

• extremely rare

Tags

8E.1.2

What generates the heat required to fuel hydrothermal vents?

• The sun

• Cold seeps

• Volcanism

• Underwater plants

Tags

8E.1.2

Match the following

• a crewed deep-ocean research submersible

• Hydrothermal Vents

• an opening in the sea floor out of which heated mineral-rich water flows

• Chemosynthesis

• the synthesis of organic compounds by using energy derived from resources other than the sun

• Extremophile

• a microorganism that lives in conditions of extreme temperature,

• Alvin

• an area of the ocean floor that has a high concentration of energy rich nutrients

• Cold seeps

Tags

8E.1.2

What types of environments do extremophiles live in? (select all that apply)

• very high or low temperatures

• very high Salt concentration

• room temperature

Which Kingdom do Tardigrades belong in?

• Eubacteria

• Fungi

• Protista

• Animalia

Tardigrades can survive in

• extreme hot and cold temperatures

• hydrothermal vents

• high levels of radiation

• vacuum of space

• all of the above!

If the number of births in a population is the same as the number of deaths in a population, what will happen to the growth of the population?

• It will increase.
• It will decrease.
• It will stay the same.
• It will fluctuate.

What type of growth is shown in the diagram?

• exponential growth
• logistic growth 
• predator-prey cycle
• boom-bust curve

Largest number of individuals of a population that the environment can support...  

• carrying capacity
• population crash
• lag phase
• mutualism

What type of symbiosis is occurring when an owl eat a mouse?

• parasitism

• predation

• mutualism

• commensalism

• competition