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True or false: Protists are a clade.

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Wize University Biology Textbook > Eukaryotes

Multicellular Protists

4 Activities

Wize University Biology Textbook > Eukaryotes

Unicellular Protists

4 Activities

Wize University Biology Textbook > Phylogenetic Trees

Phylogenetic Trees

5 Activities

True or false: Protists are a clade.
More Multicellular Protists Questions:
Practice: Prokaryotes to Protists 1
Consider the following example: a heterotophic eukaryote endosymbioses a red algae. What is this an example of?
What are phycobilins?
1. Which algae group did the land plants evolve from?
2. What is the name of the monophyletic group that contains this taxa of algae and all the land plants?
3. What chlorophyll is unique do this monophyletic group?
Brown algae
1. How many membranes do the chloroplasts of brown algae have?
2. What does this suggest about their endosymbiotic origin?
Practice: Plant Evolution
Which of the following is not evidence connecting charophytes and land plants?
Which of the following protists does not infect humans?
Which of the following is thought to be the closest relative to land plants?
The fungi ancestor was likely ______________________
Which of the following statements supporting charophytes (a group of green algae) as the closest living relative to land plants is false?
What organism is considered the closest living relative to land plants?
Which of the following is part of the Archaeplastida Supergroup?
More Unicellular Protists Questions:
What are phycobilins?
Brown algae
1. How many membranes do the chloroplasts of brown algae have?
2. What does this suggest about their endosymbiotic origin?
Label the following statements as true or false
A. Egg and sperm are unicellular organisms
B. Unicellular organisms can be eukaryotic
Which of the following is the main cause of harmful algal blooms (HABs)?
What evidence shows that water moulds (in Phylum Oomycota) do not belong with the true fungi (Kingdom Fungi)?
Why are some groups of dinoflagellates photoautotrophic and other groups are heterotrophic?
Practice: Protist Supergroups
Which of the following is associated with Dinoflagellates?
A biologist collects a previously unknown multicellular organism in a marine habitat. It is relatively large (about 2 meters long), photosynthetic, attaches to the sea floor and does not appear to have any specialized tissue. On the basis of this information, should it be classified as one of the algal groups or as a plant?
The SAR clade does not include which of the following?
Which of the following is false regarding diatoms?
What are Dinoflagellates most associated with?
A new protist is discovered with a vestigial plastid derived from red algae and an apex complex, to which supergroup would it fit best?
More Phylogenetic Trees Questions:
Practice: Using Trait Tables to Build Phylogenetic Trees
Which of the following phylogenies best represents the below trait table:
Match the following terms with their definitions
The human arm, bat wing and dolphin flipper contain similar bones that developed through similar embryonic tissues. How would you interpret these similarities? select all that apply
Using the following sample data matrix. Draw the phylogeny with maximum parsimony.
Are the wings of birds and flies homologous or analogous traits?
Applying the principle of parsimony, the ability to fly is most likely to have went according to which tree?
In the following diagrams which taxon represents a monophyletic group?
Match the following terms with their definitions
Taxa Group that includes common ancestor with
some, but not all, its descendants
Are the wings of birds and flies homologous or analogous traits?
Applying the principle of parsimony, the ability to fly is most likely to have went according to which tree?
In a given clade, which of the following is true?
Phylogenetic trees are:
In the following diagrams which taxon represents a monophyletic group?
1. Which algae group did the land plants evolve from?
2. What is the name of the monophyletic group that contains this taxa of algae and all the land plants?
3. What chlorophyll is unique do this monophyletic group?
The common ancestor of which clade evolved the derived trait?
The unique types of junctions found in animal cells are good evidence that the animal kingdom is monophyletic.
Name the junction type and answer the questions below.
Practice: Phylogenetics 2
The tree above is one possible phylogeny of the Homo clade. Use this diagram to answer the following questions
1. What does Australopithecus africanus do for this tree?
2. What is happening on the tree where the blue circle is located?
Practice: Mosquitoes
Species ranges:
Anopheles americana: South and Central America and all Caribbean islands
Anopheles equatori: Columbia, Venezuela and Equador.
Practice: Tree relationships
Consider the following tree
Label the follow statements True or False
A. Species B is more closely related to Species D and E than Species F and G
Which of the following would represent a postzygotic barrier to gene flow?
You are studying speciation in crickets. You find that males and females from different populations will mate, but few eggs get fertilized. This is an example of what type of reproductive isolating barrier:
Which species concept can be applied to all organisms/populations?
The human arm, bat wing and dolphin flipper contain similar bones that developed through similar embryonic tissues. How would you interpret these similarities?
Which of the following statements is false?
All the following sources of data are used for constructing phylogenetic trees except:
What characteristics are useful when constructing a phylogenetic tree
Phylogeny
Phylogenetic trees are:
Trees
Which of the following trees has a monophyletic group circle on it?
Which of the following statements is false regarding the groupings in cladistics analysis?
You want to build a phylogeny that includes humans, E. coli, and a plant species known as Arabidopsis. Which of the following proteins coding genes would you use to help you form this phylogeny?
Evolutionary Theory
Which of the following statements are TRUE regarding evolutionary theory?
1. The shared amino acid code for methionine, AUG, is an example of molecular homology
2. Speciation occurs as the result of a large extinction event occurring rapidly
From Term Test 2 Prep: Which of the following is an example of a homology?
i. All life on Earth using DNA as its genetic storage system
ii. Human tail bones
The first few days of vertebrate development are nearly identical in cell division events and differentiation fates. This is evidence for evolution. Which of the following does this signify?
Three species X, Y and Z share a common ancestor, T. extinct spcies U and V also share T
as a common ancestor. A grouping that includes species T, X Y and Z makes up a…
The first few days of vertebrate development are nearly identical in cell division events
and differentiation fates. This is evidence for evolution. Which of the following does this
signify?
Which of the following statements about the below phylogeny is not correct?
Based on the below phylogeny, which of the traits within the phylogeny would you classify as the following terms:
Which of the following phylogenies best represents the below trait table:
Which of the following statements best describes the parsimony principle?
Which of the following statements given the phylogeny are correct?
A phylogeny containing species C, D and E as well as their common ancestor would be classified as monophyletic
Trait #4 would be classified as an anapomorphy
Using the given table, select the most parsimonious phylogeny:
Which of these groups of organisms is monophyletic?
What is a paraphyletic group?
Concerning the phylogeny, which species is most distantly related to N?
In this phylogeny, of how many clades is species T a member?
Which of the following describes a scenario analogous to the endosymbiont theory?
Which of the following is best described by “a similarity beyond functional necessity”?
What is the best way to build a monophyletic clade?
Which species is most distantly related to “P”?
How many clades is species “P” a member of?
If two animals shared a similar trait, which of the following statements is most accurate?
Which of the following statements is false regarding the groupings in cladistics analysis?
What is the difference between phylogeny and systematics?
Which of the following are the least homologous structures?
What structure is analogous to the human vertebrae?
Practice: Phylogenetic Trees and Taxonomy
Consider the following phylogeny:
How many clades is species "S" a member of?
Phylogenetic trees are:
Which of the following statements is false?
The human arm, bat wing and dolphin flipper contain similar bones that developed through similar embryonic tissues. How would you interpret these similarities?