Answer:
All organs have a specific structure to helps with a certain function in the body.
Explanation:
Some examples are the brain,heart, lungs, and stomach.
Answer: Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, which are not found within animal cells. The cell wall is a rigid covering that protects the cell, provides structural support, and gives shape to the cell.
Answer:
The perch have 500 kcal of energy.
Explanation: Perch is a type of fish which feed on zooplankton, so it belongs to secondary consumer in the trophic levels. In aquatic ecosystem, plants are the producer which contains 50,000 kcal of energy. When these plants are eaten by primary consumer i. e. zooplankton, so only 10 % of energy is transferred about 5000 kcal. When zooplankton are eaten by perch fish, so 10 % energy is transferred again i. e. 500 kcal.
A. Mesozoic
Pangea was a supercontinent<span> that existed </span>during<span> the late Paleozoic and early Mesozoic eras. It assembled from earlier continental units approximately 300 million years ago, and it began to </span>break<span> apart about 175 million years ago.</span>
Answer:
I think A
Explanation:
because erosion is the washing away of soil
