Reproduction in Animals
Science · Grade 8 · Week 9 · 25 questions
Heredity explains how traits pass from parents to offspring through genes. Understanding genetics and evolution reveals why organisms look the way they do and how species change over time.
What you'll practise
- Explain the basics of inheritance
- Understand dominant and recessive traits
- Describe the role of DNA in heredity
- Explain natural selection and evolution
All 25 questions in this Reproduction in Animals quiz
Grade 8 Science — Reproduction in Animals: 25 practice questions with instant scoring and explanations.
- What is the primary difference between sexual and asexual reproduction?
- Which type of reproduction produces offspring that are genetically identical to the parent?
- What is an example of asexual reproduction in animals?
- Which male reproductive organ produces sperm?
- Which female reproductive organ produces eggs?
- What is fertilization?
- What is the difference between internal and external fertilization?
- Which type of animal typically uses external fertilization?
- What is an embryo?
- In which organ does the embryo develop in mammals?
- What is metamorphosis?
- Which animal undergoes complete metamorphosis?
- What is the larval stage of a butterfly called?
- What is budding?
- Which organism reproduces by budding?
- What is binary fission?
- In humans, how many days does a sperm typically survive in the female reproductive tract?
- What is the function of the placenta during pregnancy?
- Which of the following is a male secondary sexual characteristic?
- What is a zygote?
- Which animals lay eggs for reproduction?
- What is the typical human gestation period?
- What is the function of the umbilical cord?
- In which stage of insect development are wings developed?
- What is the difference between a gamete and a zygote?
Question 1 of 250 correct so far