ILS - Genetics and Evolution

Question 1

Pesticides/fertilizers can help produce more crops, but overusing these chemicals can result in

Accepted Answer

environmental pollution

Question 2

What type of model is shown in the diagram?

Accepted Answer

pedigree chart

Question 3

Which three organisms in the food web are competing for the same food resource?

Accepted Answer

bird, mouse, and grasshopper

Question 4

Which conclusion about this bacteria is best supported by the information in the graphs?

Accepted Answer

Antibiotic C was most effective in controlling the growth.

Question 5

The fur of the snowshoe rabbit changes to a lighter color in winter. This is an example of...

Accepted Answer

biological adaptation

Question 6

Which process is illustrated in the diagrams?

Accepted Answer

ecological succession

Question 7

What is this model used to determine?

Accepted Answer

the possibility of a trait being passed on

Question 8

What advantage does a species have when it reproduces sexually vs. asexually?

Accepted Answer

There is greater variation among the off-spring.

Question 9

An organism is born with a gene abnormality not present in any of its ancestors. this is from

Accepted Answer

mutation

Question 10

↓

Accepted Answer

reproduce very quickly

Question 11

What percentage of the offspring’s genetic information is the same as the parent?

Accepted Answer

100%

Question 12

↓

Accepted Answer

The stem will bend toward the window.

Question 13

During which process does a caterpillar become a butterfly?

Accepted Answer

metamorphasis

Question 14

What is the genetic makeup of the parents?

Accepted Answer

AA and aa

Question 15

Which process gives rise to a variety of traits within a species?

Accepted Answer

sexual reproduction

Question 16

Young frogs do not resemble adult frogs. Which term is given to this type development in frogs?

Accepted Answer

metamorphosis

Question 17

These birds have different beaks. The difference in shape is an example of...

Accepted Answer

biological adaptation

Question 18

What eventually happens to a species when the environment changes and the organisms dont adapt?

Accepted Answer

extinction

Question 19

Which event is the best example of competition between species in a pond environment?

Accepted Answer

frogs and toads eating flies

Question 20

This is an example of the human activity called

Accepted Answer

selective breeding

Question 21

Naturally occurring variations within a species are mainly the result of mutations and

Accepted Answer

sexual reproduction

Question 22

The transfer of a section of DNA from one organism into the DNA of another by scientists is...

Accepted Answer

genetic engineering

Question 23

Which process does this diagram best represent?

Accepted Answer

natural selection

Question 24

Extinction of a species is most likely to occur as a result of

Accepted Answer

environmental changes

Question 25

What are genes composed of?

Accepted Answer

DNA

Question 26

In living things, traits are passed on from one generation to the next by the transfer of

Accepted Answer

DNA

Question 27

What factor might contribute to the extinction of this species of woodpecker?

Accepted Answer

the use of pesticides in the forest

Question 28

In which organisms could evolution occur most rapidly?

Accepted Answer

bacteria

Question 29

The effects of natural selection are generally seen most quickly in which organisms?

Accepted Answer

bacteria

Question 30

Which example would result in new cells that are most different from the parent cells?

Accepted Answer

sperm and egg cells uniting to produce fertilized egg cells

Question 31

Which order of succession of natural communities would most likely occur in New York State?

Accepted Answer

grasses → bushes → trees

Question 32

What is the term for this series of changes during the life cycle of the frog?

Accepted Answer

metamorphosis

Question 33

What's the most likely reason why the early flowers changed to many different flowers over time

Accepted Answer

The flowers adapted to environmental conditions

Question 34

Which environmental factor may have contributed to the increase in the rabbit population?

Accepted Answer

decrease in predators

Question 35

Feathers, wings, and the hollow bones of birds are examples of

Accepted Answer

adaptations for flight

Question 36

A student fails to eat a balanced diet over a period of time. This can lead to

Accepted Answer

disease

Question 37

The birds’ beaks show how the birds

Accepted Answer

are adapted to get food from different sources

Question 38

this shows four stages of a human after fertilization. Between A and D, what must occur?

Accepted Answer

cell division

Question 39

Which dinosaur most likely evolved from Coelophysis?

Accepted Answer

Tyrannosaurus

Question 40

If two gray (Gg) mice mated, what percent of their offspring would have pure white fur?

Accepted Answer

25%

Question 41

In humans, a trait can be determined by one pair or many pairs of

Accepted Answer

genes

Question 42

A structure that carries a single unit of hereditary information is a

Accepted Answer

gene

Question 43

Which process involves controlling organism reproduction to passon specific traits to offspring

Accepted Answer

selective breeding

Question 44

If a species is no longer able to reproduce, it will

Accepted Answer

become extinct

Question 45

The vast variety of different traits found in humans results from

Accepted Answer

sexual reproduction and mutations

Question 46

Which factor would most likely limit the number of mice living in an area?

Accepted Answer

more predators

Question 47

Which process is represented in this diagram?

Accepted Answer

evolution

Question 48

Which sequence of development is correct?

Accepted Answer

fertilized egg → tissues → organs → organ systems

Question 49

Which situation is the best example of ecological succession?

Accepted Answer

One species replaces another species in an ecosystem.

Question 50

A cell of a goldfish contains 94 chromosomes. How many chromosomes are in a goldfish sex cell?

Accepted Answer

47

Question 51

How many males in this model show the trait?

Accepted Answer

Three

Question 52

Which is a correct gene combination for the parents shown in the diagram?

Accepted Answer

ggxGG

Question 53

The parent whose genes are aa

Accepted Answer

must have a peaked hairline

Question 54

Which model can be used to trace genetic inheritance?

Accepted Answer

pedigree chart

Question 55

In sexual reproduction, what fraction of genes does each parent contribute to the offspring?

Accepted Answer

1/2

Question 56

What is the function of DNA in a cell?

Accepted Answer

carrying genetic material

Question 57

The organisms continue to reproduce at this rate. How many organisms will there be after 30 hrs

Accepted Answer

8

ILS - Genetics and Evolution

Questions 57

ILS - Genetics and Evolution

Questions 57