Answer:
A
Explanation:
Earth's orbit is not constant because it does not travel in a circle but more of an ellipses.
Answer:
they are called Mechanical waves and there are two kinds Transverse waves and compressional waves. Where matter in the medium moves back and forth at right angles to the direction the wave travels. I hope dis helps :3
Answer:
An open system is a system that has external interactions. Such interactions can take the form of information, energy, or material transfers into or out of the system boundary, depending on the discipline which defines the concept
Explanation:
Answer:
The producers-Sea weed-Perform photosynthesis.
The filter feeders- sponges, chiton-eat floating planktons.
Grazers -Snails,mussels feed on- floating planktons.
Carnivores such as sea stars feeds on snails
Explanation:
- The producers are placed at the bottom level in energy pyramid and are prime factor in the aquatic eco system which provides energy and perform photosynthesis with the help of water,sunlight and chlorophyll.
- The filter feeders are those that feeds upon small particles that are present in the water.
- Grazers are those organisms that feeds on producers like phytoplanktons.
- Carnivores are those organisms that feeds on herbivores.