(food chains, food webs, and energy pyramid 1. Using the following food chain, answer the questions below
Grass Rabbit Fox
a. What type of organism is the grass?
b. Which animal is an herbivore or primwy consumer?
c. What would happen to the population of rabbits, if the population of faces decreased?
2. Read the prompt below
A hawk eds a snake, the snake eats a squirre, the squirrelate a plant
A Which is a product?
B Which are the primary consumers? (Hint there are three)
C Which are the two secondary consumers?
D Which is the tertiary consumer?
E Which is the top predator?

92 sathe best for the question 11. most animals and plants reproduce sexually. this means that dna is passed down to new organisms from two parental organisms. which of the following is a key advantage of sexual reproduction?

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens