Match the Following Species or Taxonomic Groups with the Approximate

question 2

Essay

Match the following species or taxonomic groups with the approximate time period in which they appear in the fossil record.
$$\begin{array} { | l | l | } \hline \text { Bacteria } & 3.5 \text { bya } \\\hline \text { Mammals } & 150 - 200 \text { mya } \\\hline \text { Tetrapods } & 370 \text { mya } \\\hline \text { Flowering plants } & 132 \text { mya } \\\hline \text { Sponges } & 650 \text { mya } \\\hline\end{array}$$

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Definitions:

Systematic Desensitization

A behavioral therapy technique used to reduce phobic responses through gradual exposure to the feared object or situation.

Exposure Techniques

Therapeutic methods used to treat fears and phobias by gradually exposing patients to the feared object or context without any danger.

Cognitive Therapies

A category of psychotherapeutic treatments that help patients understand the thoughts and feelings that influence behaviors.

Behavior Therapies

A range of therapies that focus on changing maladaptive behaviors through conditioning and other learning principles.