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Reproduction Basics Introduction
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Reproduction Basics Introduction
A coding club is building a reproduction simulator. Help Poppy, Jacob and Oscar check that its explanations are scientifically accurate. Read the evidence in each task and answer in complete sentences where needed.
Build the basics
Use what you know about reproduction to debug the simulator’s first claims.
1.The simulator says: “Reproduction is the process by which living organisms produce new organisms of the same species.” Is this definition accurate? Choose the best explanation.
- Yes. Reproduction produces offspring and helps a species continue.
- No. Reproduction only means an organism grows larger.
- No. Reproduction is the process of finding food.
- Yes, but only animals reproduce.
2.Which statement correctly compares sexual and asexual reproduction?
- Sexual reproduction usually involves the joining of sex cells; asexual reproduction involves one parent and no joining of sex cells.
- Sexual reproduction always involves one parent; asexual reproduction always involves two.
- Both types always produce genetically identical offspring.
- Asexual reproduction occurs only in plants.
3.Use the word bank to complete the statement: offspring, genes, variation, sexual, asexual. Reproduction involving one parent and no joining of sex cells is usually .
4.Use the word bank to complete the statement: offspring, genes, variation, sexual, asexual. Young produced by an organism are its .
5.Use the word bank to complete the statement: offspring, genes, variation, sexual, asexual. Instructions inherited from parents are carried by .
6.Use the word bank to complete the statement: offspring, genes, variation, sexual, asexual. Differences between individuals of the same species are called .
7.Use the word bank to complete the statement: offspring, genes, variation, sexual, asexual. Reproduction involving the joining of sex cells is reproduction.
Debug the examples
Classify each example as sexual or asexual reproduction, using the details given to explain your reasoning.
8.Match each example to its main reproductive method.
1. Bacteria split into two cells.
2. A male and female rabbit produce young.
3. A potato plant grows from a tuber.
4. A bird lays an egg that was fertilised after sexual reproduction.
- 1. Bacteria split into two cells
- 2. Rabbits produce young
- 3. Potato plant grows from a tuber
- 4. Bird lays a fertilised egg
- Sexual
- Asexual
- Sexual
- Asexual
9.Jacob says, “Asexual reproduction is always worse because it makes identical offspring.” Identify one advantage of asexual reproduction and explain why its success depends on the conditions and the organism.
10.Poppy says sexual reproduction creates offspring with variation. Why might variation help a population if the environment changes?
11.Oscar’s simulator labels a strawberry plant making runners as sexual reproduction. Is this correct? Explain your answer using the number of parent plants and whether sex cells join.
Think like a scientist
Apply the ideas to a new case and make a careful conclusion.
12.A microbe population reproduces asexually. A medicine kills most microbes, but a few survive and reproduce. Does this prove that asexual reproduction always produces variation? Explain what can and cannot be concluded.
13.Write a two-sentence message for the simulator that explains why reproduction matters and gives one key difference between sexual and asexual reproduction.
3 printable pages
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