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Practice/Homework

How are fungus-like protists similar to fungi?

Like fungi, fungus-like protists are heterotrophs that absorb nutrients from dead or decaying matter, and therefore they tend to occupy the same kinds of environments

Describe the different ways in which fungi reproduce.

Fungi reproduce both sexually and asexually. Asexual reproduction occurs when spores develop into new individuals. Sexual reproduction occurs when hyphae of compatible mating types fuse and form a new individual.

Why aren't fungi able to photosynthesize?

Fungi aren't able to photosynthesize because, unlike plants, they lack chloroplasts.

Compare and contrast the characteristics of fungi and plants.

Fungi are heterotrophic, filamentous, and have chitinous cell walls and nuclear mitosis. Plats are autotrophic, have tissues, cellulose cell walls, and lack nuclear membranes.

Why are fungi well suited for absorbing food from the environment?

The mycelium of a fungus can be made of many meters of individual hyphae. This creates a high surface area-to-volume ratio, which makes a fungus well suited for absorbing food from the environment.

What is the mycelium?

The mycelium contains the hyphae, the thin filaments of individual cells divided by partial walls. It grows in the food source.

The individual filaments that make up the body of a fungus are called

hyphae

How do fungi obtain nutrients?

The hyphae of fungi secrete digestive enzymes that break down the organic material on which they grow. The nutrients are then absorbed through the cell walls of the hyphae

Where do the reproductive structures of fungi form?

The reproductive structures of fungi form high above the food source.

What important ecological role do fungi have?

Fungi are important decomposers that break down organic material in the environment.

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