Animal Life Cycles
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Questions and Answers

What is a unique characteristic of the young frog compared to the adult frog?

  • The young frog is exclusively aquatic. (correct)
  • The young frog has fully developed wings.
  • The young frog lives both in water and on land.
  • The young frog resembles the adult frog.

Which animal has a life cycle that takes place entirely on land?

  • Butterfly
  • Chicken (correct)
  • Frog
  • Mosquito

What stage is not present in the life cycle of a cockroach?

  • Pupa Stage (correct)
  • Chick Stage
  • Adult Stage
  • Nymph Stage

How do larva and pupa of a mosquito breathe underwater?

<p>Through their breathing tubes. (C)</p> Signup and view all the answers

What happens during the nymph stage of a grasshopper?

<p>It undergoes moulting to grow bigger. (B)</p> Signup and view all the answers

What is an important role of adult butterflies in the ecosystem?

<p>They help to pollinate plants. (C)</p> Signup and view all the answers

Which characteristic is shared by both the young of a cockroach and a grasshopper?

<p>Both resemble the adult. (C)</p> Signup and view all the answers

What is a disadvantage of the life cycle of a mosquito?

<p>Larvae are vulnerable to oil on water's surface. (C)</p> Signup and view all the answers

What key feature distinguishes the larval stage from the pupa stage in animal life cycles?

<p>Larvae feed and grow, while pupae do not. (A)</p> Signup and view all the answers

How does the nymph stage differ from the larval stage?

<p>Nymphs resemble adults, while larvae do not. (B)</p> Signup and view all the answers

What is a primary function of the pupal stage in an animal's life cycle?

<p>To develop adult structures without feeding. (B)</p> Signup and view all the answers

Why is it beneficial for organisms X and Y to lay many eggs?

<p>To ensure that some hatch despite predation. (B)</p> Signup and view all the answers

What is a common characteristic of the larva in an animal's life cycle?

<p>They undergo several moulting stages. (B)</p> Signup and view all the answers

Flashcards

Larva characteristics

Larva doesn't look like the adult, eats a lot, and molts multiple times before becoming a pupa.

Pupa characteristics

Pupa doesn't resemble the adult, doesn't eat or move, and develops adult form internally.

Nymph characteristics

Nymph resembles the adult but is smaller and wingless, molting multiple times before becoming an adult.

Organism X's nymph to adult

Nymphs of organism X become adults through molting, shedding outer covering and growing larger after each moult.

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Importance of laying many eggs

Laying many eggs increases the chances of offspring survival as some eggs may be eaten by predators, ensuring species continuation.

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Frog's 3-stage life cycle

A frog's life cycle involves three stages: tadpole (young), adult frog. Tadpoles live in water while adults live in both water and on land.

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Chicken life cycle

A chicken's life cycle has 3 stages: beginning as a chick which looks similar to the adult, then it grows into an adult.

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Cockroach life cycle

Cockroaches undergo a 3-stage life cycle, starting as nymphs. Nymphs resemble adults, but lack fully developed wings, requiring molting (shedding) to grow.

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Butterfly life cycle

Butterflies have a 4-stage life cycle: egg, larva (caterpillar), pupa, and adult. The caterpillar stage is a pest and destroys plant leaves, while the adult butterfly helps pollinate.

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Mealworm beetle life cycle stages

Mealworm beetles have a 4-stage life cycle: egg, larva, pupa, and adult. Larva undergoes molting.

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Mosquito 4-stage life cycle

Mosquitoes have a 4-stage life cycle: egg, larva, pupa, and adult. Larvae and pupae need water to breathe.

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3-stage life cycle characteristics

Three-stage life cycles are found in creatures where the young (e.g., tadpoles) and adults don't compete for resources because they are in different environments.

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4-stage life cycle

Four-stage life cycles involve four distinct phases (egg, larva, pupa, adult), often with significant differences in appearance between the young and adult stage.

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