Which of the Following Is a Primary Difference Between Ectomycorrhizae

question 78

Multiple Choice

Which of the following is a primary difference between ectomycorrhizae and endomycorrhizae?

• A) Endomycorrhizae have thicker, shorter hyphae than ectomycorrhizae.
• B) Endomycorrhizae, but not ectomycorrhizae, form a dense sheath over the surface of the root.
• C) Ectomycorrhizae do not penetrate root cells, whereas endomycorrhizae grow into invaginations of the root cell membranes.
• D) Ectomycorrhizae are found in woody plant species; about 85% of plant families form ectomycorrhizae.

Differentiate between renewable and nonrenewable natural resources.

Assess the economic viability of alternative fuels in relation to oil prices.

Define and understand the significance of user cost in natural resource economics.

Analyze the impact of government policies and economic principles on resource extraction decisions.

---

Definitions:

Enucleate Egg Cell

An egg cell that has had its nucleus removed, used in certain scientific and reproductive technologies, including cloning.

In Vitro Culture

The cultivation of cells, tissues, or organs under controlled conditions in a laboratory environment, outside of their natural context.

Acquired Traits

Characteristics or changes that are not inherited genetically but rather developed due to environmental influences or personal activities during an organism's life.

Jean Baptiste de Lamarck

An early 19th-century French biologist known for his theory of inheritance of acquired characteristics, a concept predating but ultimately overshadowed by Darwin's theory of evolution.