Answer:
Autotrophs, unicellular
Explanation:
Algae are simple plant-like protists. They live in seawater, freshwater and in damp places. The algae have chlorophyll meaning they carry out photosynthesis. Some are unicellular and others are multicellular. They have a cellulose cell wall and reproduce either sexually or asexually.
elemental energy is not a modern source of energy . the other three are . pls mark brainliest
Answer: X: transcription
Y: messenger
Explanation: Transcription is a process by which genetic information in a DNA is copied into a messenger RNA.
Transcription takes place in the nucleus and it is catalyzed by an enzyme called RNA polymerase. The messenger RNA produced from transcription then leaves the nucleus to the ribosome where it serves as a template for protein synthesis.
Answer:
A B
volume The amount of space that matter takes up.
density The property that describes how much matter is in a given space, or volume.
matter Anything that has mass and takes up space.
mass The amount of matter that something contains.
Explanation: