You find a green organism in a pond near your house and believe it is a plant, not an alga. The mystery organism is most likely a plant and not an alga if it ________.

Question

BlackTom AI · Accepted Answer

The prompt describes a green organism found in a pond and asks which feature would make it more likely a plant rather than an alga.
Option a: 'is surrounded by a cuticle' — The presence of a cuticle is a hallmark of land plants, serving to reduce water loss on exposed surfaces. Algae, which mostly live in aquatic environments, typically lack a cuticle. This feature strongly supports a plant identity.
Option b: 'contains chloroplasts' — Both plants and many algae contain chloroplasts and photosynthetic pigments, so this trait is not distinctive enough to separate plants from algae.
Option c: 'has cell walls that are comprised largely of cellulose' — While cellulose-rich walls are common in plants, many algae also have cellulose in their cell walls or share similar wall components. Therefore this alone does not reliably distinguish a plant from an alga.
Option d: 'is multicellular' — Multicellularity occurs in both many algae and plants; thus, this trait is not unique to plants and cannot confirm a plant identity over algae.
Option e: 'does not contain vascular tissue' — The absence of vascular tissue is characteristic of non-vascular plants (like mosses) but many algae do not have vascular tissue either, so this trait is not a definitive plant indicator in this scenario.
In summary, among the options, the presence of a cuticle (option a) stands out as a feature more typical of terrestrial plants and less common among algae, making it the best differentiator in this context. The other attributes are either shared with algae or not exclusive enough to distinguish plants from algae in an aquatic setting.

You find a green organism in a pond near your house and believe it is a plant, not an alga. The mystery organism is most likely a plant and not an alga if it ________.

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