Half Life Problems & Microscope Math
A slide under low power shows 50 cells across the field of view. Under high power, the field of view gets ___?
What is smaller?
A cladogram shows these types of relationships between organisms.
What are evolutionary relationships?
This term describes the maximum number of individuals an environment can support.
What is carrying capacity?
Migration, hibernation, or hunting in packs are all examples of this.
What are behavioral adaptations?
This scientist developed the system of classification still used today.
Who is Carl Linnaeus?
A microscope’s eyepiece magnifies 10× and the objective is 40×. What is the total magnification?
The process by which better-adapted organisms survive and reproduce.
What is natural selection?
High survival rates through most of an organism's life, with mortality increasing sharply in old age
What is a Type I survivorship curve?
The two-part scientific name of an organism is called this.
What is binomial nomenclature?
What is 4?
A substance starts at 80g. After 2 half-lives, how much remains?
What is 20g?
According to a cladogram, the organism that branches off closest to the bottom is considered this.
What is the earliest (or most ancestral) organism?
A constant, steady mortality rate across all ages
What is a type II survivorship curve?
A polar bear’s thick fur and fat layer are examples of this type of adaptation.
What is a structural (physical) adaptation?
What is Austrolopithecus afarensis?
A fossil currently has 6.25% of its carbon-14 left. How many half-lives have passed?
What is 4?
Traits that appear in a recent ancestor but not in older ones on a cladogram are called these.
What are derived characteristics?
Very high mortality in early life stages, with survivors having a low death rate later on
What is a type III survivorship curve?
This is the correct order of taxonomy from broadest to most specific.
What is Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species?
What is prophase 1?
If one half-life is 5 years, how much of a 100 g sample remains after 15 years?
What is 12.5g?
When a population becomes isolated and evolves into a new species that can no longer mate with the original group, this has occurred.
What is speciation?
The number of individuals per unit area or volume.
What is population density?
Two species evolving in response to each other (like bees and flowers) show this.
What is coevolution?
What is Austrolopithecus boisei?