Dr. Ramesh GRU4L3.1 Food Chains-Webs
Do Now! DIRECTIONS: Answer the following question in 2-3 sentences. 1) Put the following categories in order from smallest to largest: ecosystem, biome, population, biosphere, individual, and community. 2) In your own words, define each category.
Objective! The student will (TSW) analyze the flow of energy and matter through food chains and webs.
Why are we learning this?!
Why are we learning this?! Ecology helps us understand the connections and relationships between living organisms and their physical environment.
Show Video of Mufasa s morning lesson
Video Reflection! DIRECTIONS Write ONE FULL sentence about one of the following: One thing you learned from the video. I learned that One thing you already knew. I already knew that
Food Webs!
Food Webs! Food webs show all the feeding relationships (what eats what) in an ecosystem. The arrows in the web mean is eaten by.
Food Webs!
Food Pyramid!
Food Chains!
Food Chains!
The Sun!
The Sun! The Sun provides all of the energy to a food web.
Autotrophs!
Autotrophs! Autotrophs (producers) are plants that absorb the sunlight and turn it into energy.
Heterotrophs!
Heterotrophs! Heterotrophs (consumers) are animals and fungi that get their energy by eating other organisms.
Primary Consumer!
Primary Consumer!
Primary Consumer! Primary consumers are herbivores (eat plants only).
Secondary Consumer!
Secondary Consumer! Secondary consumers eat primary consumers.
Tertiary Consumer!
Tertiary Consumer!
Tertiary Consumer!
Tertiary Consumer!
Tertiary Consumer! Tertiary consumers eat all consumers. They are at the top of the food web.
h"ps:// www.youtube.com/watch?v=hlq2datpo5m Food Chain Video!
Write down the producers and consumers you saw in the video clip.
Think Pair Share Answer in 2-3 sentences What would happen to the food web if all the plants died?
CHECK FOR UNDERSTANDING Voices at a Level Zero Raise your hand to answer the question
Check For Understanding! PRODUCER OR CONSUMER? Consumer
Check For Understanding! PRODUCER OR CONSUMER? Producer
Check For Understanding! SECONDARY CONSUMER OR PRIMARY CONSUMER? Primary Consumer
Check For Understanding! PRIMARY CONSUMER OR PRODUCER? Primary Consumer
Check For Understanding! SECONDARY CONSUMER OR PRIMARY CONSUMER? Secondary Consumer
Check For Understanding! SECONDARY CONSUMER OR TERTIARY CONSUMER? Tertiary Consumer
DIRECTIONS Voices at a Level Zero Complete the Guided Practice Answer in complete sentences Raise your hand if you have questions
GUIDED PRACTICE board, answer all Are the following producers or consumers? 1. Grass 2. Rabbit 3. Fox 4. Coyote 5. Flower 6. Tree
GUIDED PRACTICE board, answer all 1. Where do producers get their energy from? 2. What is the difference between a primary consumer and a secondary consumer? 3. who do you think eats secondary consumers?
Guided Prac;ce (GP) ABCD with Ans Keys Everybody answers!!! The arrow poin;ng from seedea;ng birds to foxes shows that... A. Foxes eat birds B. Birds eat foxes C. Foxes and birds share food D. Foxes and birds compete for the same food
Guided Prac;ce (GP) ABCD with Ans Keys Everybody answers!!! The arrow poin;ng from seedea;ng birds to foxes shows that... A. Foxes eat birds B. Birds eat foxes C. Foxes and birds share food D. Foxes and birds compete for the same food
Guided Prac;ce Although it is not shown in this picture, where does all of this food web s energy begin? A. The Moon B. The Earth C. The Sun D. Fer;lizer
Guided Prac;ce Although it is not shown in this picture, where does all of this food web s energy begin? A. The Moon B. The Earth C. The Sun D. Fer;lizer
Guided Prac;ce What is the producer in this food web? A. Hawks and owls B. Squirrels C. Plants D. Spiders
Guided Prac;ce What is the producer in this food web? A. Hawks and owls B. Squirrels C. Plants D. Spiders
Guided Prac;ce Which of the following is a secondary consumer in this food web? A. Toads B. Plants C. Mice D. Spiders
Guided Prac;ce Which of the following is a secondary consumer in this food web? A. Toads B. Plants C. Mice D. Spiders
Guided Prac;ce Which of the following is a primary consumer in this food web? A. Snakes B. Mice C. Predaceous insects D. Foxes
Guided Prac;ce Which of the following is a primary consumer in this food web? A. Snakes B. Mice C. Predaceous insects D. Foxes
Food Web Interac;ons What do you think will happen to the rabbits, if all the vegeta;on is destroyed? (raise hand) 1. If a popula6on loses ALL of its food sources, it will become ex6nct.
Food Web Interac;ons What do you think will happen to the cougar, if all of the deer die? (raise hand) 2. If a popula6on loses SOME of its food sources, it will decrease in size.
Food Web Interac;ons What do you think will happen to the mice, if all of the foxes are eaten by the cougars? (raise hand) 3. If a popula6on loses its predators, it will increase in size.
DIRECTIONS Voices at a Level Zero Complete the Independent Practice Answer in complete sentences Raise your hand if you have questions
DIRECTIONS: Copy and answer the following questions. 1) What is a food web? 2) Identify the producers and consumers in the web below.
DIRECTIONS Voices at a Level Zero Complete the Exit Ticket Answer in complete sentences Raise your hand if you have questions
EXIT TICKET! 1. Explain the difference between an autotroph and a heterotroph. Given an example of each. Direc6ons: use the food web to answer the ques6ons. 2. A primary consumer in the food web above is: A) Grass B) Alligator C) Human D) Shrimp 3. A terrary consumer in the food web above is: A) Grass B) Alligator C) Human D) Shrimp 4. Suppose water quality problems caused a decrease in the growth of grasses. Predict what effect this would most likely have on the popularon of ca-ish. Explain your reasoning.