Study Cards
One card at a time — tap “Show me” to check yourself, then Next. Start at Foundation; when those feel easy, climb.
Helpful Hints
👯 The big split: asexual vs. sexual
Asexual: ONE parent → identical copies. Fast, no partner needed. Sexual: TWO parents → offspring get a MIX of traits. Slower, but variety helps survival when conditions change.
One parent = copies. Two parents = combos.🌸 Flower parts in one line
Stamen = male part, makes pollen. Pistil = female part, holds eggs. Pollination moves pollen to the pistil; fertilization is sperm meeting egg — that’s when a seed begins.
StaMEN = male. Pollination is the delivery; fertilization is the handshake.⚠️ Traps the test loves
- Sexual reproduction does NOT make identical offspring — each gets a different mix.
- Pollination ≠ fertilization. Delivery isn’t the handshake.
- Fancy features aren’t decoration — a peacock’s tail exists because it wins mates.
- Growth isn’t only genes — environment (food, water, light, temperature) changes how big organisms grow.
🐣 Behaviors that boost reproduction
- Courtship displays: dances, songs, bright colors — advertising for a mate.
- Nest building and territory defense: a safe place raises survival.
- Parental care: feeding and guarding young — fewer babies, better odds each.
🎯 How the test will ask
- MS-LS1-4 wants an ARGUMENT: claim + evidence that a structure or behavior INCREASES reproduction odds.
- MS-LS1-5 gives you DATA (plant height vs. light) — read the pattern, then say “environment influenced growth.”
- Watch for “genetic or environmental?” — genes set the potential, environment decides how much happens.
✅ Before the test, can you…
- Give two differences between asexual and sexual reproduction?
- Name one advantage of EACH type?
- Define pollination vs. fertilization?
- Give two animal behaviors that raise reproduction success?
- List three environmental factors that affect growth?
| Term | Meaning in 10 words or less |
|---|---|
| Asexual reproduction | One parent makes identical offspring. |
| Sexual reproduction | Two parents; offspring get mixed traits. |
| Stamen | Flower’s male part; makes pollen. |
| Pistil | Flower’s female part; holds the eggs. |
| Pollination | Pollen delivered to the pistil. |
| Fertilization | Sperm joins egg; new offspring begins. |
| Pollinator | Animal that carries pollen (bees, bats, birds). |
| Seed dispersal | Spreading seeds away from the parent plant. |
| Courtship behavior | Actions that attract a mate. |
| Parental care | Feeding and protecting young after birth. |
| Genetic factor | Growth influence inherited from parents. |
| Environmental factor | Growth influence from surroundings (food, light, temperature). |
Pick your level
Look back at anything you missed — the hint that appeared is exactly what to reread tonight.
How sure did you feel?
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One practice row, built from what happened on this screen. Independent means right on the first tap; supported means right after the explain-and-retry, or a self-marked ‘I had it’ on a revealed model answer. Both are real evidence and neither is a grade.
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