BIO Exam 4 Study Guide

Front

What are 'no-take' areas in marine reserves?

Back

Areas that prohibit any extractive use.

Front

What percentage of the neocortex in tactile specialists is devoted to tactile interpretation?

Back

25%.

Front

When did Sirenians and Cetaceans originate?

Back

50-55 million years ago.

Front

Which group of animals are cetaceans most closely related to?

Back

Hippos, cows, and pigs.

Front

What is a semi-aquatic Raoellid mammal about the size of a fox that lived 50 million years ago?

Back

Indohyus.

Front

Define marine reserves.

Back

Protected areas of the ocean where human activity is restricted to conserve marine ecosystems.

Front

What is the significance of the neocortex in mammals?

Back

It is involved in higher-order brain functions such as sensory perception, cognition, and motor commands.

Front

Explain the evolutionary relationship between cetaceans and terrestrial mammals.

Back

Cetaceans evolved from land-dwelling ancestors, sharing a common lineage with hippos.

Front

What adaptations do cetaceans have for aquatic life?

Back

Streamlined bodies, flippers, and specialized respiratory systems.

Front

What is the role of marine reserves in biodiversity conservation?

Back

They help protect marine species and habitats, allowing ecosystems to recover and thrive.