Scientists have suggested that these examples of gigantism are possible because of the extreme cold found in these waters.
Option a answer is xylem , option b answer is parenchyma and option c answer is mertimatic and option d answer is phloem
some of the oldest living animals are turtles, which can live to be in the hundreds of years. the longest recorded living organism was a sponge. whales also have a long lifespan.