Exam 1 - Chapters 1-8 Flashcards
One form of bulk movement across a cell membrane is ______ during which waste is removed from the cell.
Exocytosis
All animals have the following characteristics except
a. autotrophy
b. nucelar membrane
c. multicellular
d. blastula
e. mobile state
a. autotrophy - not all animals are autotrophs
T/F There are no endangered species in Tennessee.
False - there are many endangered species in Tennessee.
Chromatin is a condensed state of DNA and histones, which are a type of _________.
Protein
______ is a measure of the capacity for successful reproduction in a given environment.
Fitness
________ is an evolutionary change that results in the formation of many new traits (and often ultimately species) form an ancestral form.
Phyletic gradualism
Zoology is the study of ____
animals
Which domains include prokaryotic organisms?
a. eubacteria/bacteria
b. eukarya
c. archaea
A and C
Jane went swimming in the ocean. When she went back to the beach she observed her skin was wrinkly, meaning water had exited her body. How would you describe the oceans tonicity in relation to Jane?
Hypertonic
Order the levels of organization in order from lowest to highest.
organ, tissue, organism, molecule, atom, cell, organ system
Atom, molecule, cell, tissue, organ, organ system, organism
T/F Phylogeny is the study of the evolutionary relationships among species.
True
Who proposed the theory of inheritance of acquired characteristics?
Jean Baptiste Lamark
Which type of cells undergo mitosis?
Somatic cells
T/F All animals are eukaryotes, but not all eukaryotes are animals.
True
Which of the following is NOT a main point of natural selection?
a. inherited variation exists
b. due to limited resources, there is a constant struggle for existence
c. organisms produces more offspring than an environments resources can support
C
_______ structures are those similar in function but in unrelated organisms with separate evolutionary forces.
Analogous Structures
Of the 3 domains of life, only one includes organisms with compartmentalized cells. That is the domain ______.
Eukarya
In a phylogenetic tree, a clade that shares a single common ancestor or ancestral straight are a _____ clade.
monophyletic
Which group of animals possess and molt an external cuticle?
ecdysozoans
Order the levels of taxonomic hierarchy in order from least inclusive (aka most exclusive) to move inclusive?
1. Family
2. Order
3. Phylum
4. Domain
5. Genus
6. Class
7. Kingdom
8. Species
Species -> Genus -> Family -> Order -> Class -> Phylum -> Kingdom -> Domain
_____ cleavage means the fate of cells is determined early in development. If embryonic cells are separated, they will not continue to development but die.
Determinate
The topside of the fox is the _______ surface, and the underside is the _______ surface.
Dorsal, Ventral
In ______ the anus develops first from the blastopore.
Deuterostomes
What is the proper formatting for the scientific name of the American Bison?
Bison bison - needs to be italicized
A transverse section of a planarian body shows ectoderm and endoderm tissues as well as solid mesoderm between. What body plan is this?
Triploblastic Acoelomate
