We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you!
Presentation is loading. Please wait.
Published byColin McGinnis
Modified over 2 years ago
Shipworms Shipworms are not worms. Think you know what they are?
Shipworms Shipworms are actually clams.
Shipworms Shipworms get their name from their long, narrow, cylindrical bodies.
Shipworms A closer look at the creature reveals a shell at its front. This shell has two halves with a gap in between, like a clamshell.
Shipworms These termites of the sea have an organ full of bacteria that digest wood. They eat sawdust which they produce as they scrape through the wood.
Shipworms The bacteria take nitrogen from the water and convert it to protein for the worm. The bacteria, in return, get nutrients form their host.
Shipworms Shipworms begin life in the plankton. When it finds a piece of wood, it uses its shell to eat its way into the wood.
Shipworms As the shipworm grows, so does the burrow. Some worms can be as long as six feet.
Shipworms Their breathing siphons remain at the surface of the wood as they grow to obtain their needed oxygen.
Shipworms Once a shipworm claims a home, its stuck there for life.
Shipworms Even when removed intact and uninjured, the shipworms are unable to dig new burrows!
Shipworms Shipworms play an important role in reducing the amount of driftwood in the worlds oceans.
Of. and a to the in is you that it at be.
The. of and a to in is you that it he was.
The. of and a to in is you that it he for.
High Frequency Words List A Group 1. the of and.
Can you see?. I like him. When will we go? All or some.
Objectives: 1)Define the term “Cyclical” 2)Identify three cycles in our natural world 3)Describe these cycles in detail.
High-Frequency Phrases First 100 Words. The people.
Cycles of Matter. Cycles of Matter: Why? Because we have a fixed amount of STUFF (matter) on this planet, and no new stuff is being added from the universe.
Cycles in Nature Chapter 25, Section 2. Cycles of Matter The biosphere contains a fixed amount of water, carbon, nitrogen, oxygen, and other materials.
Lets build fluency! The people By the water You and I.
Absolute Age Finding a rocks birthday. Absolute Age? Give an example of an absolute age of a rock layer… That rock layer is 200 million years old. Remember,
Oral Reading Fluency First 100 Most Used Phrases.
The Nitrogen Cycle. Why is Nitrogen Important? All organisms require nitrogen to live and build proteins Where is it found? 1.Free nitrogen gas 78% of.
A Closer Look at Converting Food Energy into Cell Energy.
All organisms have the same basic needs: Food Water Air Shelter.
A. as is a couldn’t does could has wouldn’t.
What is adaptation? For example a polar bear adapts to its habitat by having: Thick fur to keep warm. White fur to camouflage it against the snow when.
N-6 Cellular Respiration How do we get energy from food?
Mrs. Gridley, Grade 4Pfaff Elementary School. What Do You Think About Fiddlers? Where do they live? Do you think their habitat has salt or fresh water?
The Nitrogen Cycle. Background on Nitrogen All life requires nitrogen compounds (e.g. DNA, proteins, etc.). Air, which is 79% nitrogen gas (N 2 ), is.
Come. and down a away big blue can help.
What is Global Warming?. Lesson Objectives: To understand what is meant by ‘global warming’ To know what we think causes global warming. To begin to understand.
Astronomy: the science of the stars Warming up and reading.
Chapter 4: Plants Mrs. Campogni Vocabulary Photosynthesis Xylem Phloem Pollen Pollination Embryo Spore Tropism Growth hormone.
Asexual Reproduction. Asexual reproduction occurs when there is only ONE parent involved.
Since ancient times Nature has served Man being the source of his life. For thousands of years people lived in harmony with environment. But with the.
Sight Word Phrases Group 1. the little boy a good boy.
Deserts. What is a desert? The desert is a land of extremes: extreme heat and extreme dryness; sudden flash floods and cold nights. Because deserts are.
The people Look for some people. Write it down. By the water So there you are. Who will make it? You and I A long time What will they do?
© 2017 SlidePlayer.com Inc. All rights reserved.