![Great tits eat from a bird feeder](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Great_tits_bird_feeder.jpg?itok=aiRpq_-G)
Natural Selection in Your Backyard
STEM Explained
A study on bird feeders and beak sizes shows how an everyday human activity can affect the evolution of another species.
![Boreal Forest Boreal Forest](/sites/default/files/styles/resource_card_image_360x300_/public/photo-1434394566634-da0fa7e334b8.jpg?itok=vRRjTv2B)
Plants: Biomes
Picture Collections
9 images of plants in some large naturally occuring habitats called biomes such as tundra, grasslands and boreal forests
![Seed Germinating Seed Germinating](/sites/default/files/styles/resource_card_image_360x300_/public/Seed_germination.jpg?itok=wV7-g9v7)
Plants: Germination
Picture Collections
6 images of some seedlings sprouting as one of the stages towards full plant growth
![Early Stages Of Plant Growth Early Stages Of Plant Growth](/sites/default/files/styles/resource_card_image_360x300_/public/Plant-Growth.jpg?itok=jWd5KXkY)
Plants: Growth
Picture Collections
10 images showing some stages of plant growth from planting to sprouts growing to harvesting
![Sunlight Sunlight](/sites/default/files/styles/resource_card_image_360x300_/public/sunlight2.jpg?itok=4MvZ2oC-)
Plants: Needs
Picture Collections
8 images representing some of the needs of plants for healthy growth such as water, nutrients and light
![Plant](/sites/default/files/styles/resource_card_image_360x300_/public/photo-1422558068704-1f8f0609e27c.jpg?itok=LKl3nVfU)
Plants: Parts
Picture Collections
12 images of some major parts of plants such as stems, roots, flowers and leaves
![Fennel Seeds Fennel Seeds](/sites/default/files/styles/resource_card_image_360x300_/public/Fennel_seed.jpg?itok=k7Q96zAi)
Plants: Seeds
Picture Collections
6 images of some seeds which are the fertilized part of a plant used for germinating new plants such as fennel, kiwis and pumpkins
![Lion Lion](/sites/default/files/styles/resource_card_image_360x300_/public/lion.jpg?itok=i8n90F7N)
Mammals: Carnivores
Picture Collections
14 images of warm-blooded vertebrate animals such as cats, polar bears and wolves that eat meat and other animal tissue
![Elk Head of an Elk](/sites/default/files/styles/resource_card_image_360x300_/public/elk.jpg?itok=A5KYI62_)
Mammals: Herbivores
Picture Collections
15 images of some warm-blooded vertebrate animals such as cows, deer and giraffes that eat plant vegetation
![Fox Fox](/sites/default/files/styles/resource_card_image_360x300_/public/fox.jpg?itok=EHMUx6E-)
Mammals: Omnivores
Picture Collections
10 images of some warm-blooded vertebrate animals such as brown bears and chimpanzees that eat a diet of plants and animals
![Barbary Macaque Monkeys [Infants] Barbary Macaque Monkeys [Infants]](/sites/default/files/styles/resource_card_image_360x300_/public/barbarymacaquemonkeys.jpg?itok=KqJeCvJI)
Mammals: Primates
Picture Collections
6 images of some mammals classified as primates such as monkeys, apes and humans and characterized by nails on their hands and feet
![Ant Head Ant mouthparts](/sites/default/files/styles/resource_card_image_360x300_/public/LT_Ant_Mouth.jpg?itok=-9ExqWT-)
Insects: Mouth Parts
Picture Collections
6 images of insect mouthparts.
![Swallowtail butterfly Swallowtail butterfly](/sites/default/files/styles/resource_card_image_360x300_/public/6595-9.jpg?itok=M5gZz-7j)
Insects: Part 2
Picture Collections
10 images of some animals that have 6 legs and 3 main body parts consisting of a head, thorax and abdomen.
![Jellyfish Jellyfish](/sites/default/files/styles/resource_card_image_360x300_/public/photo-1449439330640-8b0f943e031b.jpg?itok=7g-jctsR)
Invertebrates: Marine
Picture Collections
8 images of some invertebrate animals such as sea anemones, coral and jellyfish that live in a marine environment
![Bay Leaf Bay Leaf](/sites/default/files/styles/resource_card_image_360x300_/public/Bay_tree_leaves.jpg?itok=einhh8m7)
Plants: Leaves
Picture Collections
15 images of some shapes and colours of plant leaves such as shamrocks, purple beech tree leaves and Japanese Maple tree leaves.