A Good Causal Hypothesis

question 25

Multiple Choice

A good causal hypothesis

• A)cannot be shown to be false with evidence.
• B)only contains one variable.
• C)can be proven to be true once and for all.
• D)must apply to all humans in all human history in all societies.
• E)is logically linked to a research question and a theory.

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Definitions:

Spicule

A small, needle-like structure or particle, made of calcium carbonate or silica, found in sponges and certain other invertebrates, providing support.

Cnidaria

A phylum of aquatic invertebrate animals that includes jellyfish, corals, and sea anemones, characterized by their specialized stinging cells.

Porifera

A phylum consisting of simple, multicellular organisms known as sponges, characterized by their porous bodies and lack of true tissues and organs.

Ctenophora

A phylum of marine animals commonly known as comb jellies, characterized by their gelatinous bodies and rows of ciliary plates.