Semester II Sabherwal Imitation Final

Create an educational illustration depicting diverse ecosystems with various species interacting, showcasing biodiversity and evolutionary concepts in an engaging format.

Ecological Insights Quiz

Test your knowledge of ecology and evolution with our comprehensive quiz designed for biology enthusiasts and students alike. Dive into various topics, including population dynamics, symbiosis, and natural selection.

Challenge yourself with 50 thought-provoking questions that cover:

Ecosystem interactions
Species relationships
Selection processes
Evolutionary mechanisms

50 Questions12 MinutesCreated by BoundingLeaf207

A forest habitat is slowly growing. Which one of these scenarios would increase its long term carrying capacity?

Forest fires

High competition

Disease rates

Deforestation

Which of the following is NOT a density dependent factor?

Competition for resources

Introduction of an invasive species

Disease Rate

Reproductive Success

All of the following can occur following the introduction of an invasive species EXCEPT:

Overpopulation of prey

Increased competition

Environmental strain

Carrying capacity increases

One of the primary consumers in a meadowland ecosystem becomes extinct. How would long term environmental strain not occur in this scenario?

Biodiversity is already high

Introduction of a new primary consumer

Increased autotrophic yields

Hunt secondary consumers to even out the ecosystem

Group behavior generally increases survival for all of the following reasons EXCEPT:

Better defense against predators

Easier to find food

Easier to ration food supply

Increased reproductive success

As the amount of energy being transferred throughout an ecosystem increases, this factor is sure to increase as well:

Competition

Carrying capacity

Biomass

Biodiversity

All of these behaviors are always conducted between multiple members of a group EXCEPT:

Flocking

Social behavior

Learning behaviors

Innate behavior

The keystone species of a rudimentary ecosystem was removed. Which of the following will occur?

The ecosystem is very diverse, so nothing will occur

Increased resource abundance

Increased biodiversity

Increased competition

Taking into account all of the possible variables, which of the following environmental scenarios could best be displayed in an S-curve?

Earth's biodiversity over the last 50 thousand years

A forest ecosystem's population

Bacterial growth in the pre-cambrian era

Amount of polar ice caps melted annually

Which of the following examples of symbiosis are shown in this scenario: Tree frogs use forest plants for protection from predators?

Amensalism

Commensalism

Mutualism

Parasitism

Which of the following examples of symbiosis are shown in this scenario: An oxpecker sustains itself by consuming bugs and parasites on the backs of animals in the savannah?

Mutualism

Commensalism

Parasitism

Predation

Two apes groom one another. Which behavior would best fit this scenario?

Social behavior

Cooperative behavior

Animal behavior

Learned behavior

A wild skunk encounters a stray human on its way back to its burrow. The human seems threatening. Which type of behavior best fits the skunk's reaction?

Learned behavior

Innate behavior

Individual behavior

Animal behavior

A flock of albatross migrates over 20,000 miles from pole to pole. What triggered the need to migrate away from its current ecosystem?

Predation drove them out

Melting ice caps

A change in local climate

An invasive species was introduced

Why is autotrophic biodiversity important in an ecosystem?

Increases transfer of energy

Able to feed many organisms

Ensures stability in the ecosystem

Autotrophs are the most important organisms

How is a population different from a community?

Communities are larger

Populations encompass only a few species

Populations are self-sustaining

Communities include multiple species

Which reason best explains why variation is so important during speciation?

Variation enables reproductive success

Variation makes microevolution possible

Variation increases chance of survival in harsh conditions

Variation drives adaptation

The human pinky toe is rumored to disappear with a century. Which reason best supports why this would happen?

The need for a pinky toe has diminished since climbing is not a necessity

Negative selection

Appendages were only used by our ape ancestors for climbing

Positive selection

How are molecular homologies different from anatomical homologies?

Molecular homologies examine the molecular makeup of organisms

Anatomical homologies observe the externals of organisms

Molecular homologies examine the DNA of organisms

Anatomical homologies observe how the embryos of organisms remain similar over time

The fossil record helps scientists fully understand all of the following ideas EXCEPT:

Former habitats

Time period which organisms lived

Common ancestry

Bone structures of organisms

A species of finch experiences a drought in its habitat, causing its primary source of food, walnuts, to become dry and hard to crack. Thus, stronger beaks were prioritized. Which type of selection applies to this scenario?

Dirsuptive

Negative

Stabilizing

Directional

A plant of extremely variable height that is pollinated by three different pollinators, one that was attracted to short plants, another that preferred plants of medium height and a third that visited only the tallest plants. The pollinator that preferred plants of medium height disappears from the area. This scenario brings upon which type of selection?

Stabilizing

Directional

Disruptive

Positive

All of these are displayed of a cladogram EXCEPT:

Branches

New traits gained as the diagram progresses

Species has all the traits of the organisms to the right of it

Homological relationships

What is the purpose of vestigial structures?

Ensure survival in a species

Increase adaptation

Allow a species to defend themselves against predators

There is no purpose except to go away

After a few generations, a primitive species of chimp finally develops some teeth to eat its food. What would best describe this scenario?

Macroevolution

Adaptation

Microevolution

Result of recombination

Without the Law of Independent Assortment, which phenotypic ratio would exist given the cross: YYRR x yyrr?

9:3:3:1

3:1

1:2:1

1:1

An organism whose trait genotype is denoted by AA creates a gamete whose genotype is A. Which Mendelian law best describes this scenario

Segregation

Dominance

Independent assortment

All three

A woman is a carrier for HPV, denoted by the letter h, and a man is healthy. The two reproduce. What will be the chance that their children will have HPV?

100%

50%

75%

25%

A pink-haired human breeds with a neon-haired human and all of their offspring have a phenotype of mahogany hair. The children breed amongst one another and their children have phenotypes of neon and pink hair.Which of the following best describes this scenario?

Codominance

Incomplete dominance

Intermediate inheritance

Polygenic inheritance

What is the difference between incomplete dominance and codominance?

Codominance has two dominant alleles

Incomplete dominance has two dominant alleles

Incomplete dominance results in neutral intermediate phenotypes

Codominance results in neutral intermediate phenotypes

Based on the ABO blood group system, if someone with type-B blood mates with someone with type-AB blood, what blood types could their children have?

Type A, type B, type 0

Type A, type B, type AB

Type A, type B, type AB, type O

Type A, type B

A woman with microscopic toes breeds with a man with 8 foot long toes. Their offspring displays an equal mix of microscopic and 8 foot long toes. Which of the following best represents this scenario?

Incomplete dominance

Codominance

Intermediate Inheritance

Multiple Alleles

Suppose that in humans, the allele for large toes is dominant over small toes and the allele for wide feet is dominant over skinny feet. What would be the best way to determine the genotype of a human with a large toes and wide feet?

"test cross" with a human who has large toes and skinny feet

"test cross" with a heterozygous human

"test cross" with a human who has the same genotype

"test cross" with a human who has skinny feet and small toes

In a cross of AaBb x AaBb, what fraction of the offspring can be expected to express one of the two dominant alleles, but not both?

1/16

9/16

3/8

3/16

In humans, the gene for curly hair (H) is incompletely dominant to the gene for straight hair (h). Individuals that are heterozygous (Hh) have wavy hair. Two wavy-haired heterozygous parents have a child. What is the likeliness that the child will have wavy hair?

1/4

3/4

69/138

9004/9004

What is the difference between a gene pool and a genome?

A gene pool contains all of the genetic content of a population

A genome contains certain genes in an organism

A genome stores all of the genetic material in an organism

A gene pool details all of the different types of genes exhibited in a population

Which is a surefire benefit of a large gene pool?

Increased competition

Larger population

Biodiversity

Larger number of genes

Which of the following reasons best explains why there is no such thing as an ABO blood type?

This does not fall under the multiple alleles principle

This does not fall under the codominance principle

O is the universal donor type, and it cannot be with the universal receiver AB

Nobody likes type O

All of the following are characteristics of a pair of homologous chromosomes EXCEPT:

Same size

Same position of centromere

Same genes

Same relative location of alleles

All of the following are direct examples of anthropogenic change EXCEPT:

Pollution

Deforestation

Climate change

Pesticide runoff into oceans

All of the following are effects of ocean acidification EXCEPT:

Eutrophication

Increased water temperature

Killing of deep sea organisms

Creation of dead zones

In the hypothesis; if metabolism is related to heat, then while heat increases, metabolism will increase, what is the independent variable?

Heat

Metabolism

Change in temperature

Rate of metabolism

In the hypothesis; if metabolism is related to heat, then while heat increases, metabolism will increase, what would be the best inquiry question?

How is heat related to metabolism?

What is the effect of metabolism on temperature changes?

What is the effect of temperature change on metabolism?

Why is temperature affecting metabolism?

Jerry Gomez Garcia-Rosa Perez wants to test if oxygen exposure makes apples more brown. Which of the following best describes the dependent variable in this scenario?

Amount of oxygen

Oxygen exposure

Color of the apples

Brownness of the apples

What is wrong with the following inquiry question: What is the effect of chocolate on the length of a dog's life?

The length of a life cannot be measured through empirics

Chocolate is an independent variable

Measuring the length of a life does not make sense in this scenario

Chocolate is dark

Which of the following is an example of a learned behavior in animals

Birds taking flight for the first time

A dog drooling in response to a large, juicy piece of sausage

Spiders catching food in their webs

Birds migrating

Unlock and Upgrade

Remove all limits from your Quizzes

Semester II Sabherwal Imitation Final

Ecological Insights Quiz

More Quizzes