Question 1

What causes the inside of a membrane to become positively charged during an action potential?

Accepted Answer

A) Negatively charged ions rush out. 
B) Positively charged ions rush in. 
C) Positively charged ions rush out. 
D) Negatively charged ions rush in. 
A) Negatively charged ions rush out. 
B) Positively charged ions rush in. 
C) Positively charged ions rush out. 
D) Negatively charged ions rush in.

Question 2

In a species,what is required for a new sensory adaptation to evolve by natural selection?

Accepted Answer

A) Individuals that needed this trait mutated a sensory receptor to create the new adaptation. 
B) Individuals that possessed this trait produced more offspring than those that did not possess the trait. 
C) Individuals that possessed this trait survived by chance,and passed on the trait to their offspring. 
D) Individuals immigrated to a new area,and brought the trait with them. 
A) Individuals that needed this trait mutated a sensory receptor to create the new adaptation. 
B) Individuals that possessed this trait produced more offspring than those that did not possess the trait. 
C) Individuals that possessed this trait survived by chance,and passed on the trait to their offspring. 
D) Individuals immigrated to a new area,and brought the trait with them.

What causes the inside of a membrane to become positively charged during an action potential?

In a species,what is required for a new sensory adaptation to evolve by natural selection?

Introduction: Biology Today

Essential Chemistry for Biology

The Molecules of Life

A Tour of the Cell

The Working Cell

Cellular Respiration: Obtaining Energy From Food

Photosynthesis: Using Light to Make Food

Cellular Reproduction: Cells From Cells

Patterns of Inheritance

The Structure and Function of Dna

How Genes Are Controlled

DNA Technology

How Populations Evolve

How Biological Diversity Evolves

The Evolution of Microbial Life

The Evolution of Plants and Fungi

The Evolution of Animals

An Introduction to Ecology and the Biosphere

Population Ecology

Communities and Ecosystems

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Circulation and Respiration

The Bodys Defenses

Hormones

Reproduction and Development

The Life of a Flowering Plant

The Working Plant

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Exam 27: Nervous,Sensory,and Locomotor Systems

What causes the inside of a membrane to become positively charged during an action potential?

In a species,what is required for a new sensory adaptation to evolve by natural selection?

Introduction: Biology Today

Essential Chemistry for Biology

The Molecules of Life

A Tour of the Cell

The Working Cell

Cellular Respiration: Obtaining Energy From Food

Photosynthesis: Using Light to Make Food

Cellular Reproduction: Cells From Cells

Patterns of Inheritance

The Structure and Function of Dna

How Genes Are Controlled

DNA Technology

How Populations Evolve

How Biological Diversity Evolves

The Evolution of Microbial Life

The Evolution of Plants and Fungi

The Evolution of Animals

An Introduction to Ecology and the Biosphere

Population Ecology

Communities and Ecosystems

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Circulation and Respiration

The Bodys Defenses

Hormones

Reproduction and Development

The Life of a Flowering Plant

The Working Plant

Filters