Which Is a Characteristic of the Phylum Chordata

question 11

Multiple Choice

Which is a characteristic of the phylum Chordata?

• A) They do not have true tissues.
• B) They have a gastrula with only two germ layers.
• C) They have radial symmetry.
• D) They have a notochord.
• E) They have a pseudocoelom.

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Definitions:

Catalysts

Substances that increase the rate of a chemical reaction without being consumed in the reaction, thereby facilitating the process without undergoing permanent chemical changes themselves.

Reaction Times

The amount of time it takes to respond to a stimulus. This can vary based on a wide range of factors, including attention and fatigue.

Null Hypothesis

A statement positing that there is no significant difference or effect, serving as the default assumption in statistical testing.

Assembly Methods

Techniques and processes used to put together components or parts in manufacturing or production environments.