Table of contents

1. Introduction to Biology(0)
2. Chemistry(0)
3. Water(0)
4. Biomolecules(0)
5. Cell Components(0)
6. The Membrane(0)
7. Energy and Metabolism(0)
8. Respiration(0)
9. Photosynthesis(0)
10. Cell Signaling(0)
11. Cell Division(0)
12. Meiosis(0)
13. Mendelian Genetics(0)
14. DNA Synthesis(0)
15. Gene Expression(0)
16. Regulation of Expression(0)
17. Viruses(0)
- Viruses
  (0)
18. Biotechnology(0)
19. Genomics(0)
- Genomes
  (0)
20. Development(0)
21. Evolution(0)
22. Evolution of Populations(0)
23. Speciation(0)
24. History of Life on Earth(0)
25. Phylogeny(0)
26. Prokaryotes(0)
27. Protists(0)
28. Plants(0)
29. Fungi(0)
- Fungi
  (0)
- Fungi Reproduction
  (0)
30. Overview of Animals(0)
- Overview of Animals
  (0)
31. Invertebrates(0)
32. Vertebrates(0)
33. Plant Anatomy(0)
34. Vascular Plant Transport(0)
- Water Potential
  (0)
35. Soil(0)
- Soil and Nutrients
  (0)
- Nitrogen Fixation
  (0)
36. Plant Reproduction(0)
- Flowers
  (0)
- Seeds
  (0)
37. Plant Sensation and Response(0)
38. Animal Form and Function(0)
39. Digestive System(0)
- Digestion
  (0)
- Blood Sugar Homeostasis
  (0)
40. Circulatory System(0)
41. Immune System(0)
42. Osmoregulation and Excretion(0)
- Osmoregulation and Excretion
  (0)
43. Endocrine System(0)
- Endocrine System
  (0)
44. Animal Reproduction(0)
- Animal Reproduction
  (0)
45. Nervous System(0)
- Neurons and Action Potentials
  (0)
- Central and Peripheral Nervous System
  (0)
46. Sensory Systems(0)
- Sensory System
  (0)
47. Muscle Systems(0)
- Musculoskeletal System
  (0)
48. Ecology(0)
49. Animal Behavior(0)
- Animal Behavior
  (0)
50. Population Ecology(0)
51. Community Ecology(0)
52. Ecosystems(0)
53. Conservation Biology(0)
- Conservation Biology
  (0)

30. Overview of Animals

Overview of Animals

30. Overview of Animals

Overview of Animals: Videos & Practice Problems

Video Lessons Practice Worksheet

Overview of Animals Practice Problems

16 problems

1PRACTICE PROBLEM

_______are the simplest of animals whereas the ____are the most complex among animal kingdom.

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2PRACTICE PROBLEM

Organisms that cannot prepare organic food and depend on plants directly or indirectly for food are called heterotrophs. What is the important function of heterotrophs like fungi in the ecosystem?

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3PRACTICE PROBLEM

The fossils of various organisms found in Ediacaran Hills in Southern Australia are made of different body plans. One of them is the Spriggina which displayed the first _________ type of body plan.

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4PRACTICE PROBLEM

The term "tube within a tube" is used for roundworms and annelids because:

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5PRACTICE PROBLEM

The similarity of forearm bone structures among humans and cats is an example of:

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6PRACTICE PROBLEM

The origin of bilaterian animals is one of the significant events of the

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7PRACTICE PROBLEM

Which of the following combinations of a phylum and its description is incorrect?

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8PRACTICE PROBLEM

It is a group of organisms that is composed of a common ancestor along with all its lineal descendants.

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9PRACTICE PROBLEM

What significant evolutionary event happened during the Cambrian explosion?

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10PRACTICE PROBLEM

Which of the following is a characteristic of sponges that is not found in other animals?

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11PRACTICE PROBLEM

Which of the following is true about gastrulation?

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12PRACTICE PROBLEM

All of the following are triploblastic animals except:

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13PRACTICE PROBLEM

Carefully study the matching of column 1 with column 2 and identify the option that correctly describes the X, Y, and Z.

Matching exercise for animal phyla: Cnidaria, Arthropoda, Mollusca, Annelida, Porifera, Hemichordata, Chordata.

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14PRACTICE PROBLEM

The protostome and deuterostome are discussed below in a number of ways. Identify the option that includes the correct statements about protostomes and deuterostomes.

P. In protostomes, the first opening in the embryo becomes the mouth.

Q. In deuterostomes, the first opening in the embryo becomes the anus, and the mouth develops later.

R. The majority of protostomes are vertebrates.

S. Deuterostomes contains both invertebrates and vertebrates.

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15PRACTICE PROBLEM

Pick the option that correctly includes the features of bilaterally symmetrical animals.

1. They have similar anatomical parts that are mirror images along a midline

2. They are all triploblastic animals.

3. Their body has distinct anterior and posterior ends.

4. They are all acoelomate