Fertilisation and germination

Question 1

how do plants make seeds

Answer 1

carried by wind or an insect, a pollen grain lands on a stigma. if the stigma is the correct species, it grows a pollen tube until it reaches to the ovary.
-the nucleous will then travel to pollen tube
-the nucleus of pollen grain joins with nucleus of ovule.
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Question 2

what is the process of the seed making called

Answer 2

fertilisation

Question 3

inside a seed

Answer 3

a seed coat- a tough, protective outer covering
an embryo- the young root and shoot which develops into the adult plant
a food store- a store of food thats used until plant can make its own food

Question 4

what do seeds need for growth

Answer 4

water- allows seed to swell up, embryo will start growing
oxygen- for respiration, transferring energy
warmth- speeds up reactions in the plant

Question 5

the name of when a seed starts to grow

Answer 5

germination