A _____ makes its own energy and begins the food chain.
producer
The main source of energy for all organisms on Earth.
The Sun
Define infectious.
can be spread from one person to another
Identify the bones with the red mark.
femur / thigh bone
Skeleton that is on the outside of some animals' body.
Exoskeleton
How many organisms in the food chain above are both a prey and a predator?
1
A green substance in plants that is used to trap sunlight for photosynthesis.
chlorophyll
Examples of 2 infectious diseases.
Flu, Covid-19, etc
Which number represents HUMERUS?
8
2 animals with exoskeleton.
Any two of:
jellyfish, lobster, crab, shell, snail, scorpion, beetle
What would happen if the leopard seal disappears?
The number of polar bear will decrease (no leopard seal to feed on).
The number of Arctic cod will increase (no leopard seal will eat it).
Define a herbivore. Provide an example.
eating only plants.
horse, zebra, giraffe, deer, etc
Where should medicines be stored at home?
(A) on the stove top
(B) on the table where everyone can easily reach
(C) in a box on the windowsill
(D) in a cupboard where only an adult can reach
(D)
Identify 9 and 10.
9. Rib
10. Spine / backbone
Identify the animal in the 3rd box from the left.
Octopus
Identify the predators in this food chain.
small fish, mackerel, mahi mahi, large shark
How do plants and animals get energy?
Plants get energy from the Sunlight to do photosynthesis.
Animals eat plants or other animals to get energy.
2 precautions when taking medicine.
Any 2 of:
1. Right Drug
2. Right Dose
3. Right Route
4. Right Time
5. Right Patient
What happens to the muscles in our upper arm as we pick up a hair brush and bring it close to our hair?
Bicep contracts
Tricep relaxes
Identify 2 characteristics of WORM using the key below.
No backbone
No legs
Create a food chain in the rainforest that consists of at least 4 organisms.
Answer might vary
Example:plant leaves --> grasshopper --> frog --> snake --> eagle
How are carnivore and omnivore animals different?
Carnivore animals only eat other animals.
Omnivore animals eat both plants and other animals.
Study the graph below about the number of cases of chickenpox in Chongqing from 2015 to 2023.
Describe the pattern shown by the graph.
The cases increased from 2015-2019.
The peak was in 2019.
The cases decreased from 2021-2023.
2 functions of the skeleton.
How do animals with no skeletons move?
(A) They move by contracting their muscles in various direction.
(B) They move by contracting and relaxing their muscles along their bodies.
(C) They move by contracting their muscles in one direction.
(D) They cannot move by themselves.
(B)