BOTANY

BOTANY

PLANT ECOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Dogs and ticks share the same ecosystem. How do dogs and ticks interact within an ecosystem?
A
Ticks benefit by feeding on dogs’ blood.
B
Dogs benefit by obtaining nutrients from ticks.
C
Neither dogs nor ticks benefit from the relationship.
D
Both dogs and ticks benefit from the relationship.
Explanation: 

Detailed explanation-1: -Ticks attach to your dog by inserting their mouthparts into your dog’s skin. Many ticks also produce a sticky, gluelike substance that helps them to remain attached. After attaching to your dog, ticks begin feeding on your dog’s blood. The places where ticks attach can become red and irritated.

Detailed explanation-2: -Most ticks go through four life stages: egg, six-legged larva, eight-legged nymph, and adult. After hatching from the eggs, ticks must eat blood at every stage to survive.

Detailed explanation-3: -It needs enough blood to grow from larva to nymph, nymph to adult and then for females to lay their eggs. An adult female tick drinks so much blood during its one meal that its weight increases 200 times, said Richter.

Detailed explanation-4: -Tick have sensory organs in their legs that detect carbon dioxide, odors, and heat given off by warm blooded animals. When an animal is detected, ticks crawl to the tips of vegetation and use their barbed front legs to snag onto the animal. This behavior is called “questing”. Ticks cannot jump or fly.

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