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Environmental Biology

Matthew R. Fisher

Chapter 5

Conservation & Biodiversity - all with Video Answers

Educators

Chapter Questions

01:02

Problem 1

Bacteria that feed upon decaying organic matter in the soil would best be described as which one of the following?
A. Eukaryotic
B. Autotrophic
C. Fungi
D. Cyanobacteria
E. Heterotrophic

FZ
Fathima Zahra
Numerade Educator
01:05

Problem 2

As Darwin recognized, populations evolve through natural selection when which of the following condition(s) are met?
A. Variation of traits among individuals
B. Competition for limited resources
C. More offspring are produced than can survive
D. All of the above

Joanna Quigley
Joanna Quigley
Numerade Educator
02:18

Problem 3

You are the world's foremost expert on lizards. You have traveled the world extensively and have found that a particular species of lizard is found only in one desert near of the Chilean Andes. Which of following terms, with regard to its distribution, can be definitively applied to this species?
A. Endangered
B. Prokaryotic
C. Endemic
D. Disbursed
E. Clustered

Aflah M
Aflah M
Numerade Educator
01:04

Problem 4

Which one of the following is not a major cause of biodiversity loss?
A. Habitat loss
B. Climate change
C. Invasive Species
D. Zoonotic diseases
E. Overharvesting

Hast Aggarwal
Hast Aggarwal
Numerade Educator
01:05

Problem 5

Which one of the following statements is false?
A. There have been five mass extinctions preserved in the fossil record
B. Some bacteria are autotrophs
C. Current rates of extinction are higher than background extinction rates
D. Speciation is the process of creating new species
E. All living things can be classified into one of four taxonomic domains

Danielle Ashley
Danielle Ashley
Numerade Educator
00:34

Problem 6

During the middle of the 19th century, which scientist independently derived and proposed a theory of evolution that was similar to Darwin's?
A. Gregor Mendel
B. Alfred Wallace
C. Isaac Newton
D. Rachel Carson
E. Niels Bohr

Hunza Gilgit
Hunza Gilgit
Numerade Educator
01:31

Problem 7

The study of the distribution of the world's species both in the past and in the present is known by what term?
A. Geology
B. Biogeography
C. Biodiversity
D. Biogeomorphology
E. Ecological Succession

Justin Im
Justin Im
Numerade Educator
02:34

Problem 8

Which one of the following would be described as anthropogenic?
A. Water backing up behind a beaver dam
B. The dinosaurs going extinct
C. Logging a forest
D. A mudslide burying a stream
E. A volcanic eruption

Kai Medina
Kai Medina
Numerade Educator
01:49

Problem 9

By definition, what are you most likely to find in a biodiversity hotspot?
A. A large abundance of endangered species
B. A large number of endemic species
C. Mostly eukaryotic species
D. Extremophiles
E. Heat-loving microbes

Angela Nelson
Angela Nelson
Numerade Educator
04:03

Problem 10

You are working as a biologist for a team surveying biodiversity in the Amazon rainforest. You find a non-motile organism that grows in the soil, has eukaryotic cells, and is heterotrophic. Which one of the following could potentially describe this species?
A. Fungus
B. Animal
C. Bacteria
D. Plant
E. Archaea

Dennis Howard
Dennis Howard
Numerade Educator