Answer:
Sea anemones are marine predatory animals. They are like a terrestrial flowering plant due to their colorful appearance. They are coming under the phylum cnidaria.
Sea anemones are found in different forms called a polyp. It has a columnar trunk, on the top of the trunk an oral disc and centrally placed mouth. The mouth is surrounded by tentacles.
Sea anemones have a gastrovascular cavity that serves as stomach. This cavity has one opening both meant for mouth and anus.
Sea anemones are capable of changing their shape and lives on the mud, holding it by pedal disc.
Polychaetes are segmented worms. Each segment of the body bears parapodia. It helps them in locomotion. There are different types of polychaetes, tube-dwelling polychaetes are one of them.
Tube - dwelling polychaetes make tubes to protect their soft bodies.
They don't have parapodia but some special anterior structures for feeding. The tubes are made from calcareous materials.
Answer:
What would we have to do to make water on mars drinkable? Is there water under the surface? Would we be able to make use of that water? Would we be able to make more water than mars already has? Does mars have enough water to sustain human life?
Explanation:
thats why your on brainly
Radiation. radiation is what causes heat, therefore the air would heat from the natural radiation.
Answer: b
Explanation: you have to use both math and science in engineering