Malcolm Discovers That He Has Made 903 Observations for His

question 39

Multiple Choice

Malcolm discovers that he has made 903 observations for his research study.Which abbreviation would he use to denote the total number of observations made?

• A) X
• B) Y
• C) SD
• D) N

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Definitions:

Flatworms

Invertebrates such as planarians and tapeworms with extremely thin bodies, a three-branched gastrovascular cavity, and a ladder type nervous system.

Earthworms

Segmented invertebrates that play a crucial role in aerating soil and breaking down organic matter.

Deuterostomes

A classification of animals characterized by the anus developing before the mouth during embryonic development, includes vertebrates and echinoderms.

Embryonic Development

The process by which an embryo forms and develops, from fertilization to birth in animals or to the seedling stage in plants.