Slide 1 / 129 Slide 2 / 129 2nd Grade Biodiversity and Humans 2015-11-23 www.njctl.org Slide 3 / 129 Slide 4 / 129 Table of Contents Click on the topic to go to that section Biodiversity · Biodiversity Types of Living Things · Living Things On Land · Living Things In The Water · Ecosystems and Organisms · Biodiversity and Humans · Return to Table of Contents Slide 5 / 129 Slide 6 / 129 Diversity Diversity When something is diverse, that means it has a large Tulips are beautiful flowers that bloom in the spring. variety or lots of different types of things. Circle the tulip field that has the highest diversity? Which picture shows the largest variety of fruits/veggies? Click in the blue box to check your answer. This picture has the most different types of fruits/veggies. It has the highest diversity of the three pictures.
Slide 7 / 129 Slide 8 / 129 Bio Bio Look at the following words: Biology is the study of living things. · Biology · Biography A biography is the story of someone's life. · Biotechnology Biotechnology is the use of living What do all of these words have in common? things to create useful products. What do you think "bio" means? Talk about it with a partner. Slide 9 / 129 Slide 10 / 129 Bio Biodiversity Bio means life. If we combine bio with diversity, we get Which picture shows the highest biodiversity? biodiversity. What do you think biodiversity means? Biodiversity is the variety of living things in an area. Slide 11 / 129 Slide 12 / 129 Biodiversity is Healthy The Earth Has An Abundance of Life! An area with higher biodiversity is healthier than an area Our planet has SO MANY organisms. We have not with lower biodiversity. found them all yet! Everyday more organisms are Look at the pictures below. Which is the healthiest area? discovered. Maybe one day you can discover a new plant or animal! Click the leafy sea dragon to watch a video about 25 bizarre animals on Earth. Forest with one type of Forest with many different tree. trees.
Slide 13 / 129 Slide 14 / 129 1 "Bio" means 2 Which picture has the highest diversity of fruit? B A C A plants B animals C all living things D variety Slide 15 / 129 Slide 16 / 129 3 Earth is healthy when there is low biodiversity. True False Slide 17 / 129 Slide 18 / 129
Slide 19 / 129 Slide 20 / 129 Biodiversity Collage Earth has about 8.7 million living things on it! Use magazine pictures to create your own collage of the biodiversity of Earth. Slide 21 / 129 Slide 22 / 129 Types of Living Things Living things can be categorized by the way they get food. Types of Living Things Some living Some living Some living Return to Table things make things find and things eat dead of Contents eat their food. their own food. plants and animals. Slide 23 / 129 Slide 24 / 129 Producers Producers Living things that make their own food are called Review: In what part of a producer is food made? producers. They use the sun to make (produce) their food. This group includes all plants. Click in the box for a hint.
Slide 25 / 129 Slide 26 / 129 4 Organisms are organized by ___. 5 Producers get food by A what they look like A finding it. B how they get their food B making it themselves. C if they have wings C breaking down waste. Slide 27 / 129 Slide 28 / 129 6 An example of a producer is a ___. 7 Plants make food in their ___. A cactus A roots B sheep B stems C tiger C flowers D leaves Slide 29 / 129 Slide 30 / 129 Consumers Consumers Living things that find food to eat are called Consumers are organized by what they eat. consumers. They need to eat (consume) food. Some consumers Some consumers Some consumers only eat plants. only eat animals. eat both plants and animals. What type of consumer are you?
Slide 31 / 129 Slide 32 / 129 Herbivores Omnivores Animals that only eat plants are called herbivores. Animals that eat both plants and animals are called omnivores. Raccoons, warthogs and badgers eat fruit, bugs, and many other foods. Slide 33 / 129 Slide 34 / 129 Carnivores 8 Which living thing is not a consumer? Animals that only eat meat from other animals are A butterfly called carnivores. B fish C tree D dog Slide 35 / 129 Slide 36 / 129 9 Manatees eat up to 50 kg of plants every day. Manatees 10 Tigers eat a variety of animals, such as deer, boar and are ___. water buffalo. Tigers are ___. A herbivores A herbivores B carnivores B carnivores C omnivores C omnivores
Slide 37 / 129 Slide 38 / 129 Decomposers 11 Crows can eat berries, insects and worms. Crows are ___. A herbivores Some living things eat dead plants and animals. B carnivores They are called decomposers. After other C omnivores organisms die, they break down the remains. These mushrooms are decomposing an old log. Slide 39 / 129 Slide 40 / 129 Decomposers Decomposers Decomposers are very important! Worms, flies, fungi, mold and bacteria are some examples of decomposers. Imagine what the world would look like if all the dead plants and animals were not removed! Click on the picture to see a video of a watermelon decomposing. Slide 41 / 129 Slide 42 / 129 12 Decomposers eat ___. Decomposers As decomposers break down the wastes, they turn it A plants into nutrients in the soil. Decomposers create healthy soil. This helps to create healthy plants. B animals C dead plants and animals Earthworms are known for increasing soil health.
Slide 43 / 129 Slide 44 / 129 13 Decomposers help to keep the soil healthy. True False Slide 45 / 129 Slide 46 / 129 Slide 47 / 129 Slide 48 / 129 Squirmy Wormy Lab Earthworms are decomposers that live in the soil. What type of soil do they like the best?
Slide 49 / 129 Slide 50 / 129 Living Things On Land An ecosystem is an area where plants and animals Living Things On Land live and interact with their environment. Earth is covered with lots of different types of land ecosystems. Return to Table of Contents Slide 51 / 129 Slide 52 / 129 Producers on Land Ecosystems and Organisms On land, producers can be plants, trees and shrubs. Each ecosystem has producers, consumers and decomposers. Look at the pictures below. These organisms all live in the forest ecosystem. Label each as a producer, consumer or decomposer. Slide 53 / 129 Slide 54 / 129 Consumers on Land Decomposers on Land Consumers on land include a variety of animals that are Decomposers on land include worms, bacteria and fungi. herbivores, carnivores and omnivores.
Slide 55 / 129 Slide 56 / 129 Tropical Rainforest Ecosystem Tropical Rainforest Ecosystem Can you move the pictures into the correct column to The Tropical Rainforest Ecosystem is a warm, wet show producers, consumers and decomposers? climate. It never gets cold enough to freeze. It can rain as much as 2 meters every year! Organisms Producers Decomposers Consumers Slide 57 / 129 Slide 58 / 129 Savanna Ecosystem Savanna Ecosystem Can you move the pictures into the correct column to The Savanna Ecosystem is also a hot climate. It has periods of show producers, consumers and decomposers? lots of rain, followed by many months of little or no rain. Decomposers Organisms Producers Consumers Most of the plants are grasses, with occasional trees. Slide 59 / 129 Slide 60 / 129 Desert Ecosystem Desert Ecosystem Can you move the pictures into the correct column to show producers, consumers and decomposers? The Desert Ecosystem is a very dry ecosystem. Organisms Producers Consumers Decomposers There is very little rain. The temperatures changes from very hot during the day to cold at night. The desert ecosystem has low diversity.
Slide 61 / 129 Slide 62 / 129 14 All ecosystems have producers, consumers and 15 All decomposers are mushrooms. decomposers. True True False False Slide 63 / 129 Slide 64 / 129 16 A hot, dry ecosystem is the ___. A ocean B rainforest C desert Slide 65 / 129 Slide 66 / 129
Slide 67 / 129 Slide 68 / 129 Living Things In the Water Return to Table of Contents Slide 69 / 129 Slide 70 / 129 Earth is Covered in Water Earth is Covered in Water About 70% of the Earth is covered in water. The land ecosystems that you learned about cover about 30% of the Earth's surface. If this is true, then This includes all of the bodies of water that you learned how much of the Earth's surface is covered in water? about earlier in the year: Oceans Rivers Lakes/ Glaciers ponds Can you name two things about each body of water? Slide 71 / 129 Slide 72 / 129 17 Which is not like the others? (Why?) Aquatic Ecosystems Ecosystems that are located in or by the water are called A Pond aquatic ecosystems. B Sea Every aquatic ecosystem is filled with producers, consumers and decomposers. Can you guess which C River category each of these organisms fall into? D Lake Hagfish Shark Giant kelp
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