It’s mass stays constant .weight changes depending on gravitational force
Answer:Most organelles are common to both animal and plant cells. However, plant cells also have features that animal cells do not have: a cell wall, a large central vacuole, and plastids such as chloroplasts. ... Plants make their own food in a process called photosynthesis.
Explanation:
Answer - A
Semi-conservative model of replication involves the replication of DNA in all the familiar cells in such a way that each newly synthesized daughter cell contains a double helix with one new strand and one old strand.
Natural selection is the right answer hope this helps.