energy enters an ecosystem through photosynthesis. By feeding on plants and on one another, animals play an important role in the movement of the matter/energy though. they also influence the quantity of plant and biomass present. so the anwser is D, secondary consumers to tertiary consumers
Characteristics of Lancelets:
Small
Elongated
Marine invertebrate
Lacks a jaw
No sense organs
Has a notochord
Example: Lamprey
Characteristics of Tunicates:
Marine invertebrate
Has an outer coat that is rubbery or hard
Has two siphons
Examples: sea squirts, salps
I hope this is the answer that you were looking for.
Size, density, and growth rate are the three main ones. There is also dispersion, age structure, and survivorship. Hope this helps!
Explanation:
They will be combine together and form a large same land as before some thousand years ago. This will somehow destroy the then population but will start a new civilization with new innovations and ammenities.
Plants
1: The plant cell was the first cell discovered.
2: Plants cell wall can hold more fluid.
3: The plant cell is static and protected.
Animal
1: The nucleus can be located anywhere in the cell.
2: Animal cells have small vacuoles
3: Animal cells can terminate themselves.