Q+&+A

Questions and Answers Q1) What is another word for __making food__? A1) Photosynthesis

Q2)How many species of shark are there? A2)There are over a 100 species of shark

Q3)How many different types of plants are there? A3)Between 2 million and 100 million. (I'm not sure of that.)

Q4)Why are leaves green in colour and why not in different colours? A4) The leaves contain chlorophyll, which is green. It enables the leaves to make food. By the way, some leaves are not green. But these leaves also contain chlorophyll.

Q5)Why do some fishes lay eggs while some don't? A5) Some give birth to young alive.

Q6)Do plants only reproduce by seeds? A6)No,they can also reproduce by spores. Some reproduce from leaves, roots or other plant parts.

Q7)Do all plant have a stem? A7)Yes,to support the leaves so that they can reach for sunlight. To transport water, mineral salts and food.

Q8)Why do plants have leaves? A8)The plants have leaves because the leaves make food for the plants or else the plant would not have any food.

Q9)What is wind? A9) Wind is moving air.

Q10)Can plants without green leaves make food? A10) Yes

Q11)how many bones are there in the adult's body? A11)There are 206 bones in the adult body.

//Q12) Do human beings need muscles?// A12) Of course,we need muscles to work together with the skeletal system to walk and do many things.

Q13)//**what is shirt made of?**// A13) Shirt is made of fabric.

Q14)What does the heart do? A14)It pumps blood around the body.

Q15)Why do snakes shed their skin? A15) They must replace it (skin)with a new larger skin when they grow bigger.

Q16)Why r there **organs** in the **human body**? A16) Q17)why do some animals lay a lot of eggs?` A17)so that not all eggs are eaten by predators.

Q18)Why do some frogs have colourful skins? A18)to ward off predators

Q19)Why do some animals have horn? A19)to protect themselves

Q20)Which organ allows the exchange of gas with the surroundings? A20)The lungs. Q21) Why do we need light? A21)So that we can see things in the dark. Q22)Why do some eggs have an unpleasent taste? A22)To keep predators away. Q23)What does Walrus eat? media type="custom" key="8579516" A23)They eat invertebrates. Q24)Does invertebrates have a backbone? A24)No,they do not have a backbone or spine.