Chapter 1 Exploring Life

Question 1

Animals survive because of adaptations to their A. B. Are the results of C. is the process of change that transforms life on earth from its earliest beginnings to the diversity of organisms living today.

Answer 1

A. Environment B. Adaptations C. Evolution

Question 2

A. is the scientific study of life.

Answer 2

A. Biology

Question 3

All forms of life share A. We associate 7 certain properties and processes with life. What are they?

Answer 3

A. Common Properties B. Order, Reproduction, Growth and Development, Energy Processing, Response to the environment, Regulation, Evolutionary Adaptation.

Question 4

A. The complex organization of living things. B. The ability to perpetuate the species. C. Consistent growth and development controlled by DNA. D. Acquiring energy and transforming it to a form useful for the organism. E.An ability to respond to environmental stimuli. F.An ability to maintain an internal environment consistent with life. For instance G. and H. levels. I. Acquisition of traits that best suit the organism to its environment.

Answer 4

A. Order B. Reproduction C. Growth and Development D. Energy Processing E. Response to the Environment F. Regulation G. Water H. Sugar I. Evolutionary adaptation

Question 5

In life’s Hierarchy of organization there are A. tiers.

Answer 5

A. 3

Question 6

The upper tier is the A. and consists of 4 Properties. B., C., D., E.

Answer 6

A. Global perspective of life B. Biosphere C. Ecosystem D. Community D. Population

Question 7

A. All the environments on earth that support life. B.All the organisms living in a particular area. C.The array of organisms living in a particular ecosystem. D.All the individuals of a species within a specific area.

Answer 7

A. Biosphere B. Ecosystem C. Community D. Population

Question 8

A. An individual living thing. B.Have specific functions; are composed of organs. C.Provide specific functions for the organism. D.Made of groups of similar cells.

Answer 8

A. Organism B. Organ Systems C. Organs D. Tissues

Question 9

A. Living entities distinguished from their environment by a membrane. B.Membrane bound structures with specific functions. C.Clusters of atoms. The D. is the lowest level of structure that can perform all activities required of life.

Answer 9

A. Cells B. Organelles C. Molecules D. Cell

Question 10

The middle tier is A., which is composed of B., C., D., E.

Answer 10

A.Characterized by the organism, an individual living thing. B. Organism C. Organ system D. Organs E. Tissues

Question 11

The lower tier is where A. The level of the B. that is made up of C. and D.

Answer 11

A. Life emerges B. Cell C. Organelles D. Molecules

Question 12

A. Generally fits Functions.

Answer 12

A. Form

Question 13

By studying a biological structure, you determine how A. and what B. Life emerges from C. Combination of structures (components) provide organization called a D.

Answer 13

A. It does B. It works C. Interactions of Structure D. System

Question 14

Two distinct groups of cells exist called A

Answer 14

A. Prokaryotic Cells, Eukaryotic Cells

Question 15

A.Simple and small cell, Bacteria. B.Possesses Organelles separated by membranes. Plants, animals and fungi.

Answer 15

A.Prokaryotic Cells B. Eukaryotic Cells

Question 16

Life requires interactions between A. Photosynthetic organisms provide food and are called B. Others eat plants (or animals that profit from plants) and are called C. The D. are chemical nutrients required for life.

Answer 16

A. Living and Non living Components B. Producers C. Consumers D. Nonliving Components

Question 17

To be successful, an ecosystem must accomplish two things A. and B. Energy enters as C. and exits as D.

Answer 17

A. Recycle chemicals necessary for life B. Move energy through the ecosystem. C. Light D. Heat

Question 18

A. the core theme of biology

Answer 18

A. Evolution

Question 19

A. is the genetic (hereditary) Material of all cells.

Answer 19

A. DNA

Question 20

A A. is a discrete unit of DNA (two long chains coiled together in a double helix). Genes are the units of inheritance that transmit information from B. Genes are grouped into very long DNA molecules called C. The DNA of genes provides the blueprint for making D., Which E and F. the cell.

Answer 20

A. Genes B. Parents to Offspring C. Chromosomes D. Proteins E. Build F. Maintain

Question 21

The chemical structure of DNA accounts for its A. The diversity of life results from differences in DNA B. from Individual to individual.

Answer 21

A. Function B. Differences

Question 22

Biologists have identified A. species on earth. B. is the branch of biology that names and classifies species into broad categories.

Answer 22

A. 1.8 million B. Taxonomy

Question 23

The three main groups of life are A.

Answer 23

A. Bacteria, Archaea, Eukarya

Question 24

A. Prokaryotic and most are unicellular and microscopic. Diverse and widespread. B. Like bacteria, are prokaryotic, and most are unicellular and microscopic. They live in extreme environments like boiling hot springs and salty lakes. C. Are eukaryotic and contain a nucleus and organelles Divided into single celled D. and multicellular eukaryotes distinguishes by their mode of nutrition.

Answer 24

A. Bacteria B. Archaea C. Eukarya D. Protists

Question 25

Kingdom A. consists of organisms that produce their own food by photosynthesis. Kingdom B. whose member decompose the remains of dead organisms and organic wastes and absorb the nutrients into their cells. Kingdom C. made up of organisms that obtain food by ingestion.

Answer 25

A. Plantae B. Fungi C. Animalia

Question 26

The earth is A. of years old and is constantly B. The relatedness among the diverse forms of the earth and patterns of ancestry can be traced through the C. and other evidence.

Answer 26

A. Billions B. Changing C. Fossil records

Question 27

In 1859, A. published On the origin of species by means of natural selection. The book accomplished two things. 1. it presented evidence to support the idea of B. (species living today are descendants of ancestral species). 2. Proposed a mechanism for evolution called C,

Answer 27

A Charles Darwin B. Evolution C. Natural Selection

Question 28

Natural selection was inferred by connecting two observations. Individuals within a population A. Different characteristics and B. from other individuals. A particular population of individuals produces more C. than will survive to produce D. of their own. Darwin inferred that those individuals with heritable traits best suited to the environment are more likely to E. and F. than less well-suited individuals.

Answer 28

A. Inherit B. Vary C. Offspring D. Offspring E. Survive F. Reproduce

Question 29

Natural selection is an A. Results from exposure of heritable variations to environmental factors that favor some individuals over others. Over time this results in B. of new species adapted to particular environments.

Answer 29

A. Editing mechanism B. Evolution

Question 30

A. is biology's core theme and explains unity and diversity of life

Answer 30

A. Evolution

Question 31

A. is a way of knowing an approach to understanding the natural world. A process of inquiry. Search for information, explanations and answers to questions. B. involves making observations, forming hypotheses and testing predictions. C. often stimulate us to seek natural causes and explanations.

Answer 31

A. Science B. Scientific Inquiry C. Observations

Question 32

A A. is a proposed explanation for a set of observations. A B. is supported by a large and usually growing body of evidence and explain a great diversity of observations

Answer 32

A. Hypotheses B. Theory

Question 33

We solve everyday problems by using A. We use B. to answer the question, "why doesn't the flashlight work?

Answer 33

A. Hypotheses B. Reasoning

Question 34

Using reasoning we realize that the problem is either the 1 bulb or 2 batteries. The hypotheses must be A. (some way to check the validity. The hypotheses must be B. (some way to show it is not true).

Answer 34

A Testable B. Falsifiable

Question 35

Another Hypotheses A. helps protect nonpoisonous king snakes from predators where poisonous coral snakes also live. The hypotheses predicts that predators learn to avoid the warning coloration of coal snakes. B. supports he prediction of the mimicry hypotheses nonpoisonous snakes that mimic coloration of coral snakes are attacked less frequently.

Answer 35

A. Mimicry B. Experimentation

Question 36

Many of todays global issues relate to biology.

Answer 36

Science

Question 37

Science and technology are interdependent but their goals differ. science wants to A. natural phenomenon. Technology B. science for a specific purpose.

Answer 37

A. Understand B. Applies

Question 38

How is Evolution connected to everyday life? Differences between A. of individuals, species, and populations reflect B. The environment matter because it is a selective force that C. An understanding of evolution helps us D. and develop E.

Answer 38

A. DNA B. Evolutionary change C. Drives Evolution D. Fight disease E. Conservation efforts.