The Ranges of the Red-Legged Frog and the Yellow-Legged Frog

question 38

Multiple Choice

The ranges of the red-legged frog and the yellow-legged frog overlap in California.The red-legged frog (Rana aurora,left) breeding season lasts from January to March.The closely related yellow-legged frog (Rana boylii,right) breeds from late March through May.What type of reproductive isolating mechanism is mainly responsible for keeping these two species separate?

• A)habitat isolation
• B)behavioral isolation
• C)temporal isolation
• D)mechanical isolation
• E)gamete isolation

---

Definitions:

Contra Account

An account that is used to reduce the value of a related account on a financial statement and presents the net balance of both accounts.

Accumulated Depreciation

The total amount of depreciation expense that has been recorded against a fixed asset since it was put into use.

Anticipated Benefits

Anticipated benefits are the expected positive outcomes or gains that result from particular actions or investments.

Useful Life

The expected period over which an asset is anticipated to be used by an organization, or the number of production or similar units expected to be obtained from the asset.