Chapter 27, Problem 2STP

Summary Introduction

Introduction:

Arthropods are invertebrates that have segmented bodies, exoskeleton, and joint appendages fused. Arthropods are formed by a group of various kinds of animals including flies, ants, pill bugs, spiders, etc. It belongs to the phylum Arthropoda. Arthropods eat different variations of food.

Answer to Problem 2STP

Correct answer:

The correct answer is option (C) sucking blood from the host.

Explanation of Solution

Explanation/justification for the correct answer:

Option (C) sucking blood from the host. Arthropods have specialized mouthparts for feeding blood from the host. Hematophagous arthropods has specialized mouthparts that pierce individual capillaries and then feed on host blood immediately. So, this is a correct answer.

Explanation for incorrect answer:

Option (A) getting nectars from flowers. The specialized mouthpart is used for sucking blood from the host, not for getting nectars from the flowers. So, this is an incorrect option.

Option (B) sponging liquid from the surface. The specialized mouthpart is used for the method of sucking blood from the host. They use different techniques for sponging liquid from the surface. So, this is an incorrect option.

Option (D) tearing and shredding leaves. The arthropods used mandibles for biting and chewing. The specialized feeding mouthpart of arthropods is used for sucking blood from the host. So, this is an incorrect answer.