What is a cladogram?
CBA 4 Review (TEKS 7.12 A & B, 7.13 C & D, 7.14 A & B)

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Science
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7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A cladogram is a diagram that shows the evolutionary relationships among various biological species based on similarities and differences in their physical or genetic characteristics.
2.
FLASHCARD QUESTION
Front
What are eukaryotic organisms?
Back
Eukaryotic organisms are living beings whose cells have a nucleus enclosed within membranes, unlike prokaryotes, which do not.
3.
FLASHCARD QUESTION
Front
What is nitrogen fixation?
Back
Nitrogen fixation is the process by which nitrogen in the atmosphere is converted into ammonia or related nitrogenous compounds in soil, making it available for plants.
4.
FLASHCARD QUESTION
Front
Why are protozoans and fungi important to ecosystems?
Back
Protozoans and fungi help break down dead plant and animal matter, recycling nutrients back into the ecosystem.
5.
FLASHCARD QUESTION
Front
What is an energy pyramid?
Back
An energy pyramid is a graphical representation that shows the flow of energy at different trophic levels in an ecosystem.
6.
FLASHCARD QUESTION
Front
What happens to energy as it moves up trophic levels in an energy pyramid?
Back
The amount of available energy decreases at each higher trophic level.
7.
FLASHCARD QUESTION
Front
What is the significance of fur color change in snowshoe hares?
Back
The change in fur color helps snowshoe hares blend into their environment, providing camouflage from predators.
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