Phytoplankton, shown on the left in the image below, are microscopic organisms that can be found in freshwater and salt water environments. They perform photosynthesis to get energy and act as an important food source for larger organisms. Which characteristic is found in the whale but not in the phytoplankton? heterotrophic cell walls unicellularity prokaryote cells

Phytoplankton is plant plankton, that is to say, all plant organisms living in suspension in water. More precisely, it concerns all autotrophic plankton species with respect to carbon (including bacteria such as cyanobacteria, formerly "blue-green algae").

Phytoplankton produces half of the oxygen consumed by all heterotrophic living things and volcanoes (they consume oxygen by burning organic carbon from sediments in the subduction zones). It captures solar energy through photosynthesis.

Whales are large marine mammals classified in the order Cetacea. And it is known that mammals are heterotrophic living beings (need to feed on pre-existing organic constituents).

aliasger2709 aliasger2709 · Answer 2 · 2022-02-08T07:42:05+01:00

The whale is heterotrophic but not the phytoplanktons.

Phytoplanktons are microscopic algae and are found in freshwater and marine ecosystems. They generally float on the water surfaces so that they can get the sunlight.

What are the characteristics of the whale and the phytoplanktons?

The whale is heterotrophic that is they cannot prepare their food and depends on other producers. The phytoplanktons are capable of making their food by utilizing solar energy and hence are different from the whales.

The phytoplanktons are capable of utilizing the sun energy and the carbon dioxide released from the marine lives and the volcanic activities to produce energy and oxygen. But the whale on the other hand cannot use carbon dioxide or other sources to yield energy.

They both belong to the eukaryotes and are not prokaryotic cells. They have cell membranes and other organelles like the eukaryotes and phytoplanktons show some characteristics like the plant cells.

Therefore, option A is correct.

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