Answer:a) a sturdy-finned, shallow-water lobe-fin whose appendages had skeletal supports similar to those of terrestrial vertebrates.
Explanation:
An ancestor - An earlier type of a species at any distant time — a progenitor.
A tetrapod is any vertebrate with four limbs. It includes any vertebrate (such as birds or snakes) that have evolved from early tetrapods — especially all members of the superclass Tetrapoda.
The presence of bones that support the appendages in Lobe – fin fish were found to be similar to the categorical skeletal supports found in the limbs of sample tetrapods. The sub class crossopterygii includes the Lobe – fin fish, which is seen as one of the recent common ancestor of living tetrapod today.
Answer
decomposers end the food chain but technically the food chain never stops
Answer:
Since Biodiversity means variety of living species on earth, different biomes provide habitats for those species. If there was no biomes then they would be no biodiversity. So the impact of biomes provide a living nature for those animals.
Explanation:
I don’t know what I just said lol. I’m dum so don’t like write everything I said. Change it up a little bit
Weak acids do not and cannot dissolve in water. They become even more diluted, or watered-down, and become even weaker acids.
Both flagella and pili are extensions from the bacterial cell body. Flagella are like a whip or a tail while pili are best described as hairlike.A pilus is a hairlike appendage found on the surface of many bacteria.