Q&A - P3 Science

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[atutor2001]

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My answer is on why world largest animal lives in water : Throw this assessment book into the dustbin. :rotflmao:

[plum-cake]

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Q1. What is the relationship between the number of eggs laid by an animal and the amount of care given to the eggs?

Q2 Why is there a need for the cod and the common tree frog to lay so many eggs?

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Hi,
I could not answer these Qs so tricky, I didn't ask my dd.
I am just curious to know, where do you get these questions and what are the given answers/ solutions please?
Thank you….

[laughingcat]

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Q1. What is the relationship between the number of eggs laid by an animal and the amount of care given to the eggs?

Q2 Why is there a need for the cod and the common tree frog to lay so many eggs?

:?: :?:

I try only eh......pls correct me if i am wrong.


A2. They need to do this is because many of the fries are eaten by predators and as such many eggs help to assure that the generation will survive.

E.g like the boardscast spawners, the females lay lots of unfertilised eggs in the breeding ground and the males swim to discharge their semen into the water over the eggs.

[jesschan]

Laughingcat is probably right. I think this is more like a upper block science topic on adaptation.

[laughingcat]

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Study the table below.


Q1. What is the relationship between the number of eggs laid by an animal and the amount of care given to the eggs?

Q2 Why is there a need for the cod and the common tree frog to lay so many eggs?

:?: :?:

My cheeky boy's reply...... :rotflmao:

A1. Too many eggs freak out the parents because too tired to look after. Too many eggs will lead to sibiling rivary and hence cause parents to have headaches.


Mummy's analysis......pls correct me if i am wrong eh.....

A1. Eggs that are bigger take a longer time to develop and hence requires parental care.

[plum-cake]

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Answer for this Q, Why do the world's largest animals live in water?

you can find the answer in Just education creative series P3/4 book 1 page17.

go to popular and have a look.

[plum-cake]

Q1. What is the relationship between the number of eggs laid by an animal and the amount of care given to the eggs?


Q2 Why is there a need for the cod and the common tree frog to lay so many eggs?

answers for these Qs can be found in Casco science Q &A book 4 under theme cycles page 72-85.

Just reading and educating myself. I am not sure weather I can reproduce that material here???

[laughingcat]

Hi plum-cake, can post the answer here? I don't have the book leh. I am so curious.

[plum-cake]

laughingcat:

Hi plum-cake, can post the answer here? I don't have the book leh. I am so curious.

Which one pls?