Pine trees do not have flowers. What structure do they have that servers the same purpose?
-
Needles
No. Pine needles are a kind of leaf. They are not used for reproduction. -
Cones
Yes! Pine cones produce pollen and seeds, just as flowers do in flowering plants. -
Fruit
No. Fruit are used for dispersing seeds, not for pollination. -
Buds
No. Pine tree buds produce needles. They are not involved in reproduction.
Click to see which state standards this question tests, and which of my videos, experiments, and other resources support that topic.
Florida
SC.3.L.15.2 Classify flowering and nonflowering plants into major groups such as those that produce seeds, or those like ferns and mosses that produce spores, according to their physical characteristics.
| Pumpkin Guts | video, free, ClosedCaptions, checked |
| Seed Search | video, ClosedCaptions, checked |
| Review Plants-4 | practice |
| Review Plants-8 | practice |
SC.3.L.14.1 Describe structures in plants and their roles in food production, support, water and nutrient transport, and reproduction.
| Heartless Plants | video, ClosedCaptions, checked |
| Pumpkin Guts | video, free, ClosedCaptions, checked |
| Measuring Photosynthesis | video, checked |
| Seed Search | video, ClosedCaptions, checked |
| Orange Slices | video, ClosedCaptions |
| Testing a Leaf for Starch | video, ClosedCaptions |
| Flowers | video, ClosedCaptions |
| Smell the Flowers | text page |
| Review Plants-3 | practice |
| Review Plants-2 | practice |
| Review Plants-5 | practice |
| Review Plants-6 | practice |
| Review Plants-7 | practice |
| Review Plants-8 | practice |
SC.4.L.16.1 Identify processes of sexual reproduction in flowering plants, including pollination, fertilization (seed production), seed dispersal, and germination.
| Pumpkin Guts | video, free, ClosedCaptions, checked |
| Seed Search | video, ClosedCaptions, checked |
| Orange Slices | video, ClosedCaptions |
| Flowers | video, ClosedCaptions |
| Review Plants-3 | practice |
| Review Plants-2 | practice |
| Review Plants-6 | practice |
| Review Plants-7 | practice |
| Review Plants-8 | practice |
Utah
NGSS
4-LS1-1 Construct an argument that plants and animals have internal and external structures that function to support survival, growth, behavior, and reproduction.
| Seed Search | video, ClosedCaptions, checked |
| Orange Slices | video, ClosedCaptions |
| Bird Bones | video, free |
| Feathers | video, checked |
| Heartless Plants | video, ClosedCaptions, checked |
| Nature Watching | video, checked |
| Calling a Woodpecker | video, checked |
| Pumpkin Guts | video, free, ClosedCaptions, checked |
| Thoughts on an Exoskeleton | text page, free |
| Eye Shine | text page |
| How Does a Butterfly Fly? | text page, free |
| Review Plants-3 | practice |
| Review Plants-1 | practice |
| Review Plants-5 | practice |
| Review Plants-6 | practice |
| Review Plants-7 | practice |
| Review Plants-8 | practice |
MS-LS1-4 Use argument based on empirical evidence and scientific reasoning to support an explanation for how characteristic animal behaviors and specialized plant structures affect the probability of successful reproduction of animals and plants respectively.
| Seed Search | video, ClosedCaptions, checked |
| Orange Slices | video, ClosedCaptions |
| Bacteria and Antibiotics | video, ClosedCaptions |
| Flowers | video, ClosedCaptions |
| Onion Crystals | video |
| A Walk in the Park | video, checked |
| Nature Watching | video, checked |
| Calling a Woodpecker | video, checked |
| Selective Smelling | video, checked |
| Pumpkin Guts | video, free, ClosedCaptions, checked |
| How Does a Butterfly Fly? | text page, free |
| Thoughts on an Exoskeleton | text page, free |
| Review Adaptation-3 | practice |
| Review Plants-2 | practice |
| Review Plants-4 | practice |
| Review Adaptation-4 | practice |
| Review Adaptation-5 | practice |
| Review Adaptation-6 | practice |
| Review Plants-8 | practice |