A Reproductive Difference Between Sea Urchins and Humans Is

question 20

Multiple Choice

A reproductive difference between sea urchins and humans is

• A) the sea urchin egg completes meiosis prior to fertilization, but meiosis in humans is completed after fertilization.
• B) sea urchin eggs are produced by meiosis, but human eggs are produced by mitosis.
• C) sea urchin eggs and sperm are of equal size, but human eggs are much bigger than human sperm.
• D) sea urchins, but not humans, have a need to block polyspermy because only in sea urchins can there be more than one source of sperm to fertilize the eggs.
• E) sea urchin zygotes get their mitochondria from the sperm but human zygotes get their mitochondria from the egg.

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Definitions:

Spatial Differentiation

The process of distinguishing, organizing, and managing spaces or territories based on specific criteria or functions within an organization or in geographical terms.

Globalization

The process of interaction and integration among people, companies, and governments worldwide, often driven by international trade and investment and aided by information technology.

Organization

An arranged group of people with a particular purpose, such as a business, government department, or charity.

Organization's Environment

Refers to both the internal and external factors that affect how an organization operates and its ability to achieve its goals.