Which of these statements about the evolutionary tree of animals is incorrect? a) All animals are...
Which of these statements about the evolutionary tree of animals is incorrect?
a) All animals are characterized by cephalization.
b) All animals are multicellular.
c) Humans are more closely related to sea stars than to insects.
d) Radial symmetry preceded bilateral symmetry in animal evolution.
Homework Answers
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Which of these statements about the evolutionary tree of animals
is incorrect?
a) All animals are...
Which of the following statements comparing symmetry in sessile and swimming animals is most probable? -...
Which of the following statements comparing symmetry in sessile and swimming animals is most probable? - Radial symmetry occurs most frequently in animals that catch their prey by rapid swimming. - Bilaterally symmetric animals can be streamlined for swimming, but radially symmetric animals cannot. - Bilateral symmetry allowed animals to evolve nerves. - Radial symmetry is more advantageous for active swimming than is bilateral symmetry.
Chapter 11 Animals: 11.1-11.13 What are some of the general characteristics of this Kingdom? Define the...
Chapter 11 Animals: 11.1-11.13 What are some of the general characteristics of this Kingdom? Define the following: Acoelomate: Pseudocoelomate: Coelomate: Are there advantages for coelomate animals? What are they? Are most animals vertebrates or invertebrates? How does bilateral symmetry differ from radial symmetry? What is cephalization? How do protostomes and deuterostomes differ? What are certain land adaptations that occurred for animals to evolve? A triploblastic animal would have what 3 tissue layers? How do certain phylum/classes (insects) impact humans? Important...
3. According to the molecular sequence-based phylogenetic tree of animal life, which of the following is...
3. According to the molecular sequence-based phylogenetic tree of animal life, which of the following is correct? a. Eucolomate animals evolved from pseudocoelomate animals, which in turn evolved from acoelomate animals. b. Segmentation probably evolved in only one clade, which includes more than one phylum showing segmentation. C. Segmentation evolved in some protostomes and some deuterostomes. d. Deuterostomes are more closely related to eucoelomate protostomes than to other protostomes that are pseudocoelomate or acoelomate. e. None of the above is...
1. If you were to build a phylogenetic tree of living animals, which of the following...
1. If you were to build a phylogenetic tree of living animals,
which of the following derived characters would appear first?
A. deuterostome development
B. true tissues
C. protostome development
D. bilateral symmetry
2. Birds and mammals are endotherms. They maintain body
temperature by producing heat through metabolism. Endothermy is
energetically expensive for an organism, yet endotherms have become
the dominant group of tetrapods. What is a major evolutionary
advantage of endothermy?
A. Endothermy allows greater independence from water.
B....
1. List characteristics of ALL animals: 2. The basal animal that is NOW considered to be...
1. List characteristics of ALL animals: 2. The basal animal that is NOW considered to be the ancestor of ALL animals (based on molecular evidence) belongs to the phylum 3. The clade RADIATA includes: 4. The clade BILATERIA is divided into two groups based on embryology. Most animals belong to the clade. The clade known as Deuterostomes includes only these groups: 5. Humans belong to which phylum? 6. Which PHYLUM that we have discussed in class is most closely related...
**NOTE** Do not write in cursive, and some of the terms may be used more than...
**NOTE**
Do not write in cursive, and some of the terms may be
used more than once. Please use the diagram below and write on
it.
on the branches 1. On the evolutionary tree diagram for animals below, place the following terms where appropriate. Some terms will be used more than once where convergent evolution occurred Multicellularity, Diploblastic, Triploblastic, Bilateral Symmetry, Radial Symmetry, Ecdysis, Lophophore, Trochophore Larva, Body Segmentation, Protostome, and Deuterostome (10 points) Colonial protist ancestor
1. A student uses iodine to visualize cells under the light microscope. Iodine stains starch deep...
1. A student uses iodine to visualize cells under the light microscope. Iodine stains starch deep blue and glycogen granules dark brown. Observation of the cells reveals the presence of cell walls, dark brown granules, mitochondria, and a prominent nucleus. If the chemical composition of the cell wall is determined, which of the following molecules would MOST likely be the major constituent? A. cellulose B. chitin C. lignin D. peptidoglycan 2. Which of the following statements is the MOST compelling...
Standardized Test Practice Cumulative Multiple Choice 1. Which color of flower is most likely to attract...
Standardized Test Practice Cumulative Multiple Choice 1. Which color of flower is most likely to attract noc 5. Which hormone stimulates the ripening of fruit? turnal pollinators such as bats and moths? A. auxin A. blue B. cytokinins B. red C. ethylene C. violet D. gibberellins D. white Use the diagram below to answer question 6 Use the illustration below to answer questions 2 and 3. 2. How would you describe the body symmetry of the animals shown in the...
Animalia Please Solve all Among the characteristic unique to animals is a. Gastrulation b. Multicellularity c....
Animalia Please Solve all Among the characteristic unique to animals is a. Gastrulation b. Multicellularity c. Sexual reproduction d. Flagellated sperm The distinction between sponges and other animal phyla is based mainly on the absence verstts the presence of a. A body cavity b. Complete digestive tract รง True tissues d. Mesoderm 3. Which of the following terms does not apply to you? a. Bilaterian b. Triploblastic c. Deuterostome d. Acoelomate A land snail, a clam and an octapus all...
Answer and explain both please. Use this evolutionary tree representing the relationships among a group of...
Answer and explain both please.
Use this evolutionary tree representing the relationships among a group of vertebrates to answer questions 17 and 18. According to evolutionary theory, the letters at each branch point indicate the common ancestor for groups beyond that point. - Lung fishes Amphibians Mammals Lizards and snakes . Crocodiles - Birds 17. Which was the last (most recent) common ancestor of crocodiles and lizards/snakes? 18. Which of the following can be concluded from this evolutionary tree? A....
3. According to the molecular sequence-based phylogenetic tree of animal life, which of the following is correct? a. Eucolomate animals evolved from pseudocoelomate animals, which in turn evolved from acoelomate animals. b. Segmentation probably evolved in only one clade, which includes more than one phylum showing segmentation. C. Segmentation evolved in some protostomes and some deuterostomes. d. Deuterostomes are more closely related to eucoelomate protostomes than to other protostomes that are pseudocoelomate or acoelomate. e. None of the above is...
1. If you were to build a phylogenetic tree of living animals,
which of the following derived characters would appear first?
A. deuterostome development
B. true tissues
C. protostome development
D. bilateral symmetry
2. Birds and mammals are endotherms. They maintain body
temperature by producing heat through metabolism. Endothermy is
energetically expensive for an organism, yet endotherms have become
the dominant group of tetrapods. What is a major evolutionary
advantage of endothermy?
A. Endothermy allows greater independence from water.
B....
1. List characteristics of ALL animals: 2. The basal animal that is NOW considered to be the ancestor of ALL animals (based on molecular evidence) belongs to the phylum 3. The clade RADIATA includes: 4. The clade BILATERIA is divided into two groups based on embryology. Most animals belong to the clade. The clade known as Deuterostomes includes only these groups: 5. Humans belong to which phylum? 6. Which PHYLUM that we have discussed in class is most closely related...
**NOTE**
Do not write in cursive, and some of the terms may be
used more than once. Please use the diagram below and write on
it.
on the branches 1. On the evolutionary tree diagram for animals below, place the following terms where appropriate. Some terms will be used more than once where convergent evolution occurred Multicellularity, Diploblastic, Triploblastic, Bilateral Symmetry, Radial Symmetry, Ecdysis, Lophophore, Trochophore Larva, Body Segmentation, Protostome, and Deuterostome (10 points) Colonial protist ancestor
Standardized Test Practice Cumulative Multiple Choice 1. Which color of flower is most likely to attract noc 5. Which hormone stimulates the ripening of fruit? turnal pollinators such as bats and moths? A. auxin A. blue B. cytokinins B. red C. ethylene C. violet D. gibberellins D. white Use the diagram below to answer question 6 Use the illustration below to answer questions 2 and 3. 2. How would you describe the body symmetry of the animals shown in the...
Animalia Please Solve all Among the characteristic unique to animals is a. Gastrulation b. Multicellularity c. Sexual reproduction d. Flagellated sperm The distinction between sponges and other animal phyla is based mainly on the absence verstts the presence of a. A body cavity b. Complete digestive tract รง True tissues d. Mesoderm 3. Which of the following terms does not apply to you? a. Bilaterian b. Triploblastic c. Deuterostome d. Acoelomate A land snail, a clam and an octapus all...
Answer and explain both please.
Use this evolutionary tree representing the relationships among a group of vertebrates to answer questions 17 and 18. According to evolutionary theory, the letters at each branch point indicate the common ancestor for groups beyond that point. - Lung fishes Amphibians Mammals Lizards and snakes . Crocodiles - Birds 17. Which was the last (most recent) common ancestor of crocodiles and lizards/snakes? 18. Which of the following can be concluded from this evolutionary tree? A....
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