Selection Types
Speciation
Taxonomy
Mixed Question Types
Adaptations
100

Stabilizing, Disruptive, or Directional?

 A plant that is too short may not be able to compete with other plants for sunlight. However, extremely tall plants may be more susceptible to wind damage. Combined, these two selection pressures select to maintain plants of medium height. The number of plants of medium height will increase while the numbers of short and tall plants will decrease.

What is Stabilizing

100
This type of speciation occurs when there is a geographical change. For example, if flooding causes a new river to develop, populations of mice may get split into two new areas. The populations will change over time and then be unable to breed.
What is allopatric
100
Fill in the blank: Kingdom- Phylum- Class- Order- ______________- Genus- _______________
What is Family
100
What are the 3 types of selection discussed?

stabilizing, disruptive, and directional selection.

100

Define Adaptation 

Traits that allow a species to survive in its environment

200

Stabilizing, Disruptive, or Directional?

 Using the familiar example of giraffe necks, there was a selection pressure against short necks, since individuals with short necks could not reach as many leaves on which to feed. As a result, the distribution of neck length shifted to favor individuals with long necks.

What is Directional

200
Half of the birds in a population normally mate in the morning. Half of the birds in a population mate in the evening. Soon, the birds cannot mate with each other and there is a new species. What type of speciation is this?
What is sympatric
200
In the scientific name: "Canis familiaris," which term shows the organism's genus?
What is canis
200

Define Tolerance Limit 

are the upper and lower limits of environmental factors (like temperature, salinity, or sunlight) within which an organism can survive and reproduce

200

This defense adaptation releases a bad smell to scare predators.

What is chemical defense / skunk spray?

300

Stabilizing, Disruptive, or Directional? 

A field contains black and white rocks. Grey rabbits cannot blend in behind the rocks while black and white rabbits can hide from predators.

What is disruptive

300
Members of the same species can interbreed and make _______________ offpsring
What is fertile
300
Of the following, which is the BROADEST level of classification? a. Phylum b. Kingdom c. Species d. Order
What is kingdom
300

Define Ecological Niche.

is the role a species plays in its environment

and the conditions it needs to live and survive there.

300

Arctic animals often have this adaptation to blend in with the snow.

white coloration or camouflage 

400

Stabilizing, Directional, or Disruptive? 

Human babies that are born too early are often a light birth weight and can't survive outside of the womb. Human babies born late are usually large and tough for mom to deliver. Therefore, an average human birth weight is best.

What is stabilizing

400

Define Allopatric Speciation 

new species arise due to geographic isolation.

400
Fill in the blanks: Kingdom, __________, Class, Order, _______, Genus, Species
What is Phylum, Family
400
MIXED REVIEW: Who is the father of evolution?
Who is Darwin
400

When two species evolve together and each influences the other’s adaptations, this process is happening.

Coevolution.

M
e
n
u