Kingdom Monera (Chap2) Flashcards
(9 cards)
What is the term for the conditions that affect the distribution of organisms?
Environmental conditions
Environmental conditions include factors such as temperature and nutrient availability that influence where organisms can thrive.
What are the most abundant microorganisms found in harsh areas?
Bacteria
Bacteria are known to be the most abundant microorganisms in extreme environments such as hot springs, deep oceans, and polar regions.
What term describes organisms that can survive in extreme conditions?
Extremophiles
Extremophiles are organisms that thrive in conditions that are extreme in temperature, pressure, salinity, or acidity.
Ribosomes are found in which type of organisms?
Both unicellular and multicellular organisms
Ribosomes are essential cellular structures found in all forms of life, including bacteria and eukaryotes.
Fill in the blank: Membrane-bound organelles are _______ in prokaryotic cells.
absent
Prokaryotic cells, such as bacteria, do not have membrane-bound organelles, unlike eukaryotic cells.
What type of metabolic pathway do some microorganisms use to synthesize their own food?
Photosynthetic
Photosynthetic microorganisms, such as cyanobacteria, can convert sunlight into chemical energy.
What is a key characteristic of autotrophic organisms?
They produce their own food
Autotrophs can synthesize organic compounds from carbon dioxide and other simple substances, using light or chemical energy.
True or False: All microorganisms are harmful to humans.
False
Many microorganisms are beneficial and play crucial roles in ecosystems, human health, and industry.
Function of Glycocalyx
Prevent loss of water.
Helps in attachment with the environment because of slimy layer.
Protect’s from host immunity.
Protect’s from pathogen..