1st Grade. Similarities. Slide 1 / 105 Slide 2 / 105. Slide 4 / 105. Slide 3 / 105. Slide 5 / 105. Slide 6 / 105. Inheritance of Traits

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1 Slide 1 / 105 Slide 2 / 105 1st Grade Inheritance of Traits Slide 3 / 105 Slide 4 / 105 Table of Contents Click on the topic to go to that section Similarities Parent/Offspring Similarities Differences Parent/Offspring Differences Similarities Variation is Important Return to Table of Contents Slide 5 / 105 Traits Living things have many traits. Traits are characteristics or qualities that help to identify living things. This flamingo has many traits. pink feathers long legs curved neck black-tipped beak Slide 6 / 105 Traits Traits can describe how a living thing looks. They can also describe how the living thing survives. Other traits of the flamingo are: Hatched from an egg Eat brine shrimp and algae Live together in colonies

2 Slide 7 / 105 Traits List as many traits of this puppy as you can. Think of a variety of traits, not just physical ones. Slide 8 / 105 Traits How many traits can you think of for this sunflower? Slide 9 / A characteristic that helps to identify a living thing is called a. A trait B thing Slide 10 / Traits only describe how a living thing looks. C similarity D difference Slide 11 / 105 Similarities This is a field of flowers called tulips. What do you notice about them? Slide 12 / 105 Similarities Living things have many similar traits. These tulips are the same color, the same height and the same shape. They also grew and developed from the same type of seed. They have the same needs. They are alike in many ways!

3 Slide 13 / 105 Similar Traits Slide 14 / 105 Similar Traits On the next slides, find the similar traits among the different animals. Think about similarities in: These seastars have several similar traits. They have 5 legs. They are bumpy. They eat small animals. They use tube feet to move. They hatch from eggs. Slide 15 / 105 How are these animals alike? appearance what they eat how they act how they grow where they live how they defend themselves Slide 16 / 105 How are these animals alike? Slide 17 / 105 How are these animals alike? Slide 18 / 105 How are these animals alike?

4 Slide 19 / Living things have lots of similar traits. Slide 20 / What is a similar trait of these animals? A They are blue. B They live in the water. C They all need food to survive. D They hatched from eggs. Slide 21 / 105 Similar Traits in Plants Slide 22 / 105 How are these plants alike? Plants have similar traits as well. They can be similar in appearance. They are also similar in their needs. Remember from last unit: What do all plants need? Slide 23 / 105 How are these plants alike? 5 Plants have similar needs. Slide 24 / 105

5 Slide 25 / What trait do these plants NOT share? Slide 26 / Can a tree be similar to a rose? A They need water, sunshine and air to make food. B They eat insects. Yes No C They need space to grow. D They need soil for nutrients. Venus Fly trap Fern Slide 27 / 105 Slide 28 / 105 Slide 29 / 105 Slide 30 / 105 Review: Development Parent/Offspring Similarities Think back to the last unit. Do you remember the two different ways that animals can develop? Click in the boxes to test your knowledge. metamorphosis Return to Table of Contents direct development

6 Slide 31 / 105 Direct Development Offspring have similar traits as the parents. They may have the same fur/hair, coloring, body features and behaviors. Look at the traits of the three offspring below. Which one is most similar to the adult? Draw an arrow to show your choice. Slide 32 / 105 Direct Development Direct development produces offspring that are very similar to the adults. These similar traits were passed on to the bears from their parents. In other words, they inherited these traits. Slide 33 / 105 Direct Development How are the tiger cub and tiger parent similar? Slide 34 / 105 Direct Development In what ways are you similar to your father? How about your mother? You inherited these traits from each of them! The tiger cub inherited these traits from the parent. Goldie Hawn (Mother) Kate Hudson (Daughter) Slide 35 / 105 Offspring and Parents Parents that have certain traits do not have offspring with quite different traits. Slide 36 / 105 Offspring and Parents Use similar traits to match these offspring and parents. This horse mother gave birth to an offspring with pointy ears, a tail, tan-colored hair and hooves. It did not give birth to an offspring with feathers, claws and a beak.

7 8 The lion its parents. Slide 37 / 105 Slide 38 / Inherit means to get traits from one's parents. A looks like B is different from C sometimes looks like, sometimes does not look like Slide 39 / Who is the mother of this baby animal? A giraffe B hippopotamus C goat D goldfish Slide 40 / Jane has blue eyes. Her mother has brown eyes and her father has blue eyes. She inherited her blue eyes from her. A mother B father C brother D grandma Slide 41 / 105 Plant Offspring and Parents Remember that young plants are called seedlings. Seedlings often resemble the parent plants. Slide 42 / 105 Plant Offspring and Parents How are the oak tree seedling and the adult oak tree similar? A young hyacinth plant resembles the adult hyacinth. It has the same coloring and shape. The size is different. Seedling Adult

8 Slide 43 / 105 Plant Offspring and Parents The toad lily prefers to grow in indirect sunlight. You can plant it in the shade and it will survive! Toad lily seedlings inherit many traits from the parent plant. In what type of sunlight do you think a toad lily seedling would prefer? Slide 44 / Seedlings have similar characteristics to their parents. Slide 45 / A seedling is similar to an adult plant except in what way? Slide 46 / A bean plant seedling resembles what adult plant? A size B shape C color A tomato B bean C oak tree D lily Slide 47 / 105 Slide 48 / 105

9 Slide 49 / 105 Slide 50 / 105 Different What does it mean to be different? Look at these pictures and describe what different means. Differences Return to Table of Contents Slide 51 / 105 Differences Different means not the same. It is the opposite of similar. A difference is something that is not the same. It is the opposite of similarity. Can you think of one similarity and one difference of an owl and a swan? Slide 53 / 105 Different Traits On the next slides, find different traits among the different animals. Think about differences in: Slide 52 / 105 Differences Animals can be very different. They may have differences in their size, shape, the way they get food, or defend themselves. Animals are especially different if they are different kinds of animals. What different traits do an elephant and a cat have? Do they have the same features? Do they live in the same environment? Do they defend themselves the same way? Slide 54 / 105 How are these animals different? appearance what they eat how they act how they grow how they defend themselves where they live *These are the same pictures that you saw before. Last time you were finding similar traits. This time, look for different traits!

10 Slide 55 / 105 How are these animals different? Slide 56 / 105 How are these animals different? Slide 57 / 105 Living Things Can be Similar and Different Slide 58 / Different and similar are opposites. This blue jay and bat have similarities and differences. They are the same because they both have wings, they both fly, they both can land in trees. They are different because the blue jay eats during the day. The bat eats during the night. The blue jay lays eggs, the bat gives birth to live babies. The bat has fur, the bluejay has feathers. Slide 59 / How are dogs and elephants different? Slide 60 / Living things can be different and similar. A They both have hair. B They both have four legs. C Elephants have tusks and dogs do not. D They both give birth to offspring.

11 Slide 61 / 105 Different Traits in Plants Plants can have different traits too. They can be different in appearance or different in behaviors and needs. Slide 62 / 105 Different Traits in Plants These are all similar because they are all cactus plants. How many different traits can you find? The hosta cannot live in direct sunlight. It grows best in the shade. It has small white or violet flowers. The water lily grows in direct sunlight, surrounded by water. It has large brightly colored flowers. Slide 63 / Plants may have different characteristics. Slide 64 / These plants are different because of their. A size B color C one you can eat, the other you can't Slide 65 / 105 Slide 66 / 105 Use pictures in books, magazines or internet to show similarities and differences between two animals. Complete the venn diagram. Label Animal 1 Animal 2

12 Slide 67 / 105 Slide 68 / 105 Parent/Offspring Differences Return to Table of Contents Slide 69 / 105 Siblings Do you have brothers and sisters? How about cousins? You all have the same parents or grandparents. Do you look exactly the same? Slide 70 / 105 Siblings This is true for animals as well. Siblings, who have the same parents, can look quite different from each other. You probably have similarities but also many differences. Slide 71 / 105 Everyone is Unique Siblings look different from each other and are also different from their parents. Slide 72 / 105 Direct Development Offspring who experience direct development look very similar to their parents. They also are different from their parents. They can look different and have different behaviors. How does this young deer look different from his father? The traits of the mother and the traits of the father get chosen at random so that each offspring is completely unique! There will never be another you!

13 Slide 73 / 105 Direct Development These baby birds have different characteristics from their parents. Slide 74 / 105 Direct Development How are these offspring different from their parents? They may look different. They may sound different. They may act differently. Slide 75 / 105 Metamorphosis Offspring who experience metamorphosis are very different from their parents! Let's compare a caterpillar to a butterfly. A caterpillar changes and grows through its life cycle into a butterfly. But caterpillars don't look like a butterfly, do they? Slide 76 / 105 Metamorphosis A tadpole is different from a frog in many ways. Explain some differences. How are they different? Slide 77 / Baby animals never look different from their parents. Slide 78 / 105 Plant Differences Plants also have similarities and differences from their parents. What is the big difference between this adult tomato plant and the seedling? Size

14 Slide 79 / 105 Plant Differences Look at these two cactus plants. It takes a saguaro cactus 65 years to grow arms. Slide 80 / 105 Plant Differences Compare these offspring and parent plants. What difference do you notice in each picture? How are they the same? How are they different? Geranium Cucumber Dandelion Slide 81 / 105 Plant Differences Adults plants are able to produce flowers, seeds and fruit. Flowers, seeds and fruit are parts of a plant that are used in reproduction, to create new offspring. Seedlings are not able to produce these parts until they grow into adults. Slide 82 / Adult plants have different features than their young seedlings. Slide 83 / Do young plants have smaller stems and leaves? Slide 84 / Will young plants produce flowers or fruit? Yes No Yes No

15 Slide 85 / 105 Slide 86 / 105 Slide 87 / 105 Slide 88 / 105 Variation When there are differences in one specific trait, it is called a variation. Variation is Important These are all roses but they are different colors. There is variation in the color of the roses. Return to Table of Contents Slide 89 / 105 Variation What variation do you notice in these reindeer? Slide 90 / 105 Variation Click below to watch a video about wild rabbits on Rabbit Island. How many variations can you find in the rabbits? The size/shape of the antlers is a variation.

16 Slide 91 / 105 Offspring Have Variations Offspring are similar to their parents in some ways and different from their parents in other ways. All offspring have variations from their parents. Slide 92 / 105 Offspring Have Variations These dogs have 7 puppies. The puppies look a little like both parents. They all have different variations. These seeds are all from the same maple tree. They are not identical. There are small variations. What do you see? Slide 93 / A variation is a difference in a specific trait. Slide 94 / Siblings are identical to each other and their parents. Slide 95 / 105 Variations and Survival Some variations help organisms to survive or to reproduce. Toucans have a lot of variation in beak size and color. Females decide who they will mate with based on these variations. The most colorful birds will reproduce and create offspring with colorful beaks. Slide 96 / 105 Variations and Survival Remember these maple seeds? The biggest seed will fly the farthest and get to a sunny spot. There is more food in the big seeds, so these sprouts will survive the best. These small variations lead to better survival for the sprouts.

17 Slide 97 / 105 Slide 98 / 105 Variations and Survival Elk use their antlers for fighting wolves. The elk with the biggest antlers will survive a fight. Suppose that these three elk are born the same year. Which one will most likely survive a fight with wolves? Why? Variations and Survival This elk has the largest antlers and so would survive a wolf attack the best. The variation in antler size allowed him to survive. He can then reproduce and pass on this trait to his offspring. Slide 99 / 105 Slide 100 / 105 Variations and Survival Rose plants with better protection will survive. These are all rose stems. Which do you think will protect the plant best? 26 Variations help some organisms to survive. The plant that survives will be able to reproduce and pass on this trait to offspring. Slide 101 / 105 Slide 102 / Flounder are a type of fish that bury in the sand. The fish that is able to blend into the surroundings the best can hide from other animals and survive. Which flounder has the color variation that will help it to survive the best? 28 When individuals have variations that help them survive, A they do not live very long. B they do not have healthy offspring. A B C they get to live and produce more offspring. D they produce very few offspring. C D

18 Slide 103 / 105 Slide 104 / 105 Slide 105 / 105 Comparing Carrots Lab Use your observation skills to find variations in the carrots!

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