Meaning: 'Marvel' refers to something that is astonishing or extraordinary, often evoking admiration.

Wrong options:

• visible: 'Visible' is an adjective that describes something that can be seen, which does not fit as a noun in this context.
• houses: 'Houses' is a verb that means to contain or provide shelter, which does not convey the sense of wonder intended here.
• considerable: 'Considerable' is an adjective that means large in amount or extent, which does not fit as a noun describing the Amazon.
• domination: 'Domination' is a noun that refers to control or supremacy, which does not convey the ecological significance of the Amazon as intended.
• bloom: 'Bloom' is a verb that refers to the flowering of plants, which does not fit as a noun in this context.
• varies: 'Varies' is a verb that means to change or differ, which does not fit grammatically or contextually.

Correct answer: houses

Explanation: The term 'houses' is a verb that indicates the action of containing or providing shelter for species, which fits grammatically and contextually as it describes what the Amazon does for land-dwelling species.

Meaning: 'Houses' means to provide a place for something to live or exist.

Wrong options:

• visible: 'Visible' is an adjective that does not fit as a verb in this context, as it does not convey the action of containing species.
• marvel: 'Marvel' is a noun that does not fit grammatically as it does not describe an action related to species.
• considerable: 'Considerable' is an adjective that does not fit as a verb and does not convey the action of housing species.
• domination: 'Domination' is a noun that does not fit as a verb and does not describe the action of providing shelter.
• bloom: 'Bloom' is a verb that refers to flowering, which does not relate to the action of housing species.
• varies: 'Varies' is a verb that means to change, which does not fit the context of providing shelter.

Correct answer: bloom

Explanation: The word 'bloom' is a verb that describes the action of flowers opening or flourishing, which fits contextually as it relates to the types of flowers in the Amazon.

Meaning: 'Bloom' refers to the process of flowers producing blossoms.

Wrong options:

• visible: 'Visible' is an adjective that does not fit as a verb in this context, as it does not describe the action of flowers.
• houses: 'Houses' is a verb that refers to providing shelter, which does not relate to the action of flowers opening.
• considerable: 'Considerable' is an adjective that does not fit as a verb and does not describe the action of flowering.
• domination: 'Domination' is a noun that does not fit as a verb and does not relate to the blooming of flowers.
• marvel: 'Marvel' is a noun that does not fit as a verb and does not describe the action of flowers blooming.
• varies: 'Varies' is a verb that means to change, which does not fit the context of flowers blooming.

Correct answer: visible

Explanation: The term 'visible' is an adjective that describes something that can be seen, fitting grammatically and contextually as it describes the stars that can be seen in the night sky.

Meaning: 'Visible' means able to be seen or perceived.

Wrong options:

• houses: 'Houses' is a verb that does not fit as an adjective in this context, as it does not describe the stars.
• marvel: 'Marvel' is a noun that does not fit as an adjective and does not describe the stars in the night sky.
• considerable: 'Considerable' is an adjective that means large in amount, which does not fit the context of describing visibility.
• domination: 'Domination' is a noun that does not fit as an adjective and does not relate to the visibility of stars.
• bloom: 'Bloom' is a verb that refers to flowering, which does not fit as an adjective describing stars.
• varies: 'Varies' is a verb that means to change, which does not fit the context of describing visibility.