Chapter 33 Question 42

Chapter 33 Question 42 Part A Use the following information when to answer the question(s) below. Many terrestrial arthropods exchange gases with their environments by using tracheae, tubes that lead from openings (called spiracles) in the animal’s exoskeleton or cuticle directly to the animal’s tissues. Some arthropods can control whether their spiracles are opened or … Read more

Chapter 33 Question 43

Chapter 33 Question 43 Part A Use the following information when to answer the question(s) below. Many terrestrial arthropods exchange gases with their environments by using tracheae, tubes that lead from openings (called spiracles) in the animal’s exoskeleton or cuticle directly to the animal’s tissues. Some arthropods can control whether their spiracles are opened or … Read more

Chapter 33 Question 1

Chapter 33 Question 1 Part A – Identifying body symmetry Which type of symmetry does each of the following animals display? Drag each picture to the appropriate bin. The Correct Answer is Asymmetry: SpongeRadial Symmetry: Jelly, HydraBilateral Symmetry: Bobcat, Turtle, Snake, Octopus Reason Explained Asymmetry: SpongeRadial Symmetry: Jelly, HydraBilateral Symmetry: Bobcat, Turtle, Snake, Octopus is … Read more

Chapter 32 Question 35

Chapter 32 Question 35 Ecdysozoans Protostomes are categorized into two clades: Lophotrochozoa and Ecdysozoa. Ecdysozoa includes about eight phyla, including the phyla Arthropoda and Nematoda. Arthropods and nematodes (roundworms) are among the most abundant of all animal groups. The simplified evolutionary tree below shows the relationship between arthropods, nematodes, and lophotrochozoans. (There are more ecdysozoan … Read more

Chapter 33 Question 1

Chapter 33 Question 1 Part C – Differences in development between protostomes and deuterostomes Many animals can be categorized as either protostomes and deuterostomes based on certain features of their embryonic development. Determine whether each of the following terms applies to only protostomes, only deuterostomes, both protostomes and deuterostomes, or neither. Drag each item to … Read more

Chapter 32 Question 35

Chapter 32 Question 35 Part C – Insect diversity Insects are the most diverse group of organisms, in terms of numbers of species, dominating terrestrial habitats. More than 30 orders of insects have been described, with the order Coleoptera being the largest. Classification is based on traits such as wings and mouthparts. All insects have … Read more

Chapter 33 Question 44

Chapter 33 Question 44 Part A Use the following information when to answer the question(s) below. Many terrestrial arthropods exchange gases with their environments by using tracheae, tubes that lead from openings (called spiracles) in the animal’s exoskeleton or cuticle directly to the animal’s tissues. Some arthropods can control whether their spiracles are opened or … Read more

Chapter 33 Question 1

Chapter 33 Question 1 Part B – Germ layers, tissues, and body cavities Animal tissues develop from embryonic germ layers. Triploblastic animals have three germ layers (ectoderm, mesoderm, and endoderm) and three basic body plans related to body cavities (acoelomate, pseudocoelomate, and coelomate). Select the three statements that are true. To review the germ layers … Read more

Chapter 32 Question 35

Chapter 32 Question 35 Part B – Differentiating between arthropods The phylum Arthropoda includes four major lineages: cheliceriforms (also called chelicerates); myriapods; insects and their relatives (together called hexapods); and crustaceans. Drag each word or phrase to the appropriate bin. The Correct Answer is Cheliceriforms: Horseshoe crab, possess claw-like feeding appendagesMyriapods: Millipedes and centipedesInsects: Butterfly, … Read more