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7th grade chapter 11 - Change over time Flashcards | StudBud
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7th grade chapter 11 - Change over time
7th grade chapter 11 - Change over time
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Evolution and species diversity
Flashcards
36 cards
F
Practice quiz
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Host live
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Questions
36
Answers
1
Evolution is believed to occur by means of
Desired change
Artificial selection
Natural selection
Animal response
2
The role of an organism in its habitat
Niche
Happy place
Quiche
Employment
3
Overproduction and limited resources often causes
Predator frustration
Competition
Stressful variation
Fights in the hallway
4
scientists compare these bases in the DNA of different species to determine their relationship
Protein
Carbon
Nitrogen
Acetic acid
5
A trait that increases an organisms a to survive
Adaptive reasoning
Adaptation
Differentiated learning
Homologous chromosomes
6
A difference between individuals of the same species
Adaptive reasoning
Variation
Homologous change
Ethnic differentiation
7
A specific characteristic that an organism can pass to its offspring
Anger
Emotional stability
Cytoplasm oxidase
Trait
8
Scientists infer that species with similar structures had a commo
Gene
Predator
Ancestor
Environment
9
Natural selection could also be called
Survival of the meanest
Survival if the bestest
Survival of the richest
Survival of the fittest
10
A group of organisms from the same species living in a specific geographic area.
population
Community
species
niche
11
Approximately 50 percent of your genes are the same as the genes found in:
A chimpanzee
A dolphine
A banana
A gorilla
12
Darwin believed that this occured when a variation was better suited for an environment
Rejection
Overproduction
Discrimination
Selection
13
A well suppported and widely accepted explanation of nature
Scientific reasoning
Scientific law
Scientific theory
Scientific idea
14
What is the greatest contributor to natural selection
Financial crisis
Speed dating
Seasonal change
Environmental change
15
A giraffe probably has a long neck because
The longer neck trait was advantageous
It was in fashion long ago
It strained hard to reach high leaves
It wanted to see over crouds of zebra
16
Species that could become endangered in the near future are?
Lunch specials
Threatened species
Environmental species
Threatened spices
17
In what year did Darwin begin his journey around the world?
1836
1905
1776
1831
18
Scientists infer evolutionary relationships by comparing early development of different
Protiens
Backbones
Organisms
Dinosaurs
19
What do fossils tell us?
The history of life in the geographic past.
Development of organisms
What caused extinctions.
American History
20
Species in danger of becoming extinct are?
Edible species
Endearing species
Endangered species
Threatened species
21
Evidence from DNA and this have often confirmed conclusions about evolution and relationships
Protein structures
Size of organism
Asteroi records
Fatty acid structures
22
This occurs when a species is unable to adapt to a changing environment
Accretion
Extinction
Financial meltdown
Secretion
23
In artificial selection, only organisms with a desired what are bred?
Trait
Trate
Fate
Gate
24
How do new species form?
When the season changes
When a group af individuals remain isolated long enough
When a group of individuals secede from the main group
When the weather changes
25
Which of these do not support evolutionary theory
Similarities in nucleic acid sequence
Similarities in protein structures
Similarities in geologicical structures
Similarities in embryonic development
26
Millions of fossils collected by scientists
Architecture
Library of fossils
genetic data base
Fossil record
27
Darwins ship was called
The Seagul
The Beagle
The whippit
The Poodle
28
Similar structures that related species have inherited from a common ancestor
Homologous structures
Similar structures
Adaptive structures
Evolutionary trates
29
Segments of DNA that determine characteristics
Genes
Trates
Deoxyribonucleic acid
Base pairs
30
The number of different species in an area
Biofuel sustainability
Biodiversity
Bioanniversary
Ecological diversity
31
A group of organisms that can reproduce and have fertile offspring are considered ?
A club
A population
A school
A species
32
Amino acid based structure in a cell that carries genetic instructions
dynamic really awesome stuff
Deoxyribonucleic acid
Denatured ribosome acid
Deoxygenated recombinant acid
33
What factors affect biodiversity?
Niche diversity
Area
All of the above
Climate
34
A change in a species over time
Creative adaptation
Original thinking
Evolution
Random differentiation
35
What is the greatest threat to most endangered species on earth?
Human activity
Climate change
Animal competition
Global warming
36
This helps species species survive changes in the environment
Climate diversity
Pack mentality
animal university
Genetic diversity
