Spring 9 Week Assessment REVIEW. Which two species are more closely related? A. bears & raccoons or B. raccoons & badgers. Raccoons and badgers. Which species is the most closely related to the guinea pig?. squirrel. Which two species have the most characteristics in common?.
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Raccoons and badgers
Chimpanzee and bonobo
Could species adapt to different surroundings and food over time?
No, adaptation takes time
The fish can’t adapt fast enough
Low rate of reproduction.
They only have 1-2 cubs every three years.
Which species according to natural selection will survive?
The species with the best adaptations, which give it an advantage. Survival of the fittest.
Mutualism, they both get something good.
From the cactus!
What type of relationship is it?
Both get something good.
The number of ants will decrease & the amount of grass will increase
The cycle will be disrupted and slowed
Can you explain why?
All the energy in the system starts with the producers. All other levels would run out of food eventually.
The grasshoppers would decrease and the grass and snakes would increase
Explain which animals would be affected if a disease killed out all the grass.
All would be affected because of lack of food.
Any organism that eats producers. Deer, Rabbit, Mouse etc…..
What are 2 synonyms for producer?
What happens to the other 90%?
Used by the organisms at that level & given off as heat
Most energy is given off as heat
Bacteria fix the most nitrogen.
Are bacteria biotic or abiotic?
Becomes nutrients for other organisms
A virus does not replicate on its own, but prokaryotic cells do replicate on their own.
They induce the body to recognize the pathogen as foreign.
A virus attacks the cell’s genetic material, while bacteria use toxins to kill a cell.