Early Life
Where did life begin?
1%
A tiger and leopard both eat deer. What type of relationship exists between the tiger and leopard?
A competitive relationship
What structure do bacteria use to move?
The flagella
Most bacteria have a beneficial role in ecosystems. What does beneficial mean?
Beneficial means positive.
What was the first life form on Earth?
In which ecosystems are bacteria found?
All ecosystems
A rabbit lives underground. What is this type of interaction?
Based on how bacteria store their DNA, how are bacteria classified?
What is the function of the immune system?
The immune system fights pathogens from infecting us.
The first bacteria made their own food. What were they classified?
chemoautotrophs
What is the main role of bacteria?
They are decomposers.
Torrential rainfall causes erosion. What is this type of interaction?
abiotic and abiotic
What is the role of DNA?
DNA provides the instructions for making proteins.
What are all the classifications for humans?
Omnivores, heterotrophs, consumers, apex predators
What is one fact unique to cyanobacteria?
They were the first organisms to perform photosynthesis.
What are all the classifications for bacteria?
chemoautotrophs, photoautotrophs, decomposers
I eat producers, herbivores, omnivores and apex predators. What type of organism am I?
A decomposer
What is the function of ribosomes?
What are the 2 types of cell walls that bacteria possess?
Gram + is a thick cell wall. Gram - is a thin cell wall.
What is the non balanced equation for photosynthesis?
sunlight + CO2 + H2O = glucose (sugar) + O2
Provide an example of a decomposer and state their role in an ecosystem.
Bacteria and fungus are examples of decomposers and their role is to recycle everything back into the soil to be used again by living organisms.
The wind spreads seeds so plants can grow in different places. What type of relationship exists between the wind and these plants?
It is a dependent relationship.
Name the bacterial structure controls what enters and exits the cell.
The plasma membrane
The bacterial capsule helps stop desiccation. What does desiccation mean?
Desiccation means drying out.