BIOSC 0160 Exam 4 Review Questions

A population of rabbits on Planet Pitt has 3,000 offspring and doesn’t provide enough food or resources for these offspring. This population is  _____ selected and likely has a type ____ survivorship curve.

• 1. r; I

• 1. r; III

• 1. k; I

• 1. k; III

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of these is a difference between competitive exclusion and character displacement

• In competitive exclusion, both species die while in character displacement they both live.

• 1. In character displacement, both species die while in competitive exclusion they both live.

• 1. Competition in competitive exclusion varies with the environment while competition in character displacement results in the survival of one species.

• 1. Competition in character displacement varies with the environment while competition in competitive exclusion results in the survival of one species.

A small town in South-East Guinea had a population of 200 people in 2022 and in 2023 saw a population increase of 40 people. What was the intrinsic rate of growth? If the birth rate was 0.3, what was the death rate? 

• 1. 0.1; 0.1

• 1. 0.2; 0.1

• 1. 0.1; 0.2

• 1. 0.2; 0.2

With the goal of becoming the next Darwin, you sail across the globe and notice that several mosquito species that release toxins onto their predators have distinctive red and purple wings, this is likely an example of what predator strategy?

• 1. Batesian Mimicry

• 1. Evolution

• 1. Mullerian Mimicry

• 1. Competitive exclusion

Tags

NGSS.HS-LS4-4

In a community/biome/species/population, frogs utilize the large fronds of a specific species of plants as protection from predators this is an example of ________ while a plant that releases a toxin that inhibits the growth of a different plant species shows ______

• 1. Mutualism; Commensalism

• 1. Commensalism; Amensalism

• 1. Amensalism; Commensalism

• 1. Commensalism; Competition

Tags

NGSS.MS-LS2-2

Who are you more likely to rescue and what is your average genetic relatedness with them?

Make sure the answers to both questions are correct.

• 1. Grandma; 0.25

• 1. Siblings; 0.75

• 1. Parent; 0.5

• 1. Half-Sibling; 0.25

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

1. You are trying to estimate the population size of redhead cowbirds in Erie, PA..

On Day 1, you capture and mark 40 of them.

On Day 2, you capture 200 of the administrators of which 16 are already marked. 

How many redheads would you predict are present in Erie, PA?

• 1. 250

• 1. 500

• 1. 800

• 1. 1200

Assume you had to go to college in Pittsburgh. Due to the resources available at the University of Pittsburgh, you decide to enroll here and not in the other Universities in Pittsburgh, which of the following is most likely to be true?

• 1. Pitt is your realized niche while Pittsburgh is your fundamental niche

• 1. Pittsburgh is your realized niche while Pitt is your fundamental niche

• 1. Pitt is not your realized niche, Pittsburgh is your realized niche

• 1. Pitt and Pittsburgh are both your fundamental niches

How do you feel about this exam?

• yolo

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• :?

• :)

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