a. Tập tính của kiến ba khoang:

- Kiến ba khoang thường ẩn nấp trong rơm, rạ, bãi cỏ, ruộng vườn.

- Chúng làm tổ và đẻ trứng trong đất.

- Khi ruộng lúa, vườn rau xuất hiện sâu cuốn lá hay rầy nâu, kiến tìm đến, chui vào các tổ sâu để ăn thịt sâu non.

b. Biện pháp để hạn chế sự xuất hiện của kiến ba khoang trong khu dân sinh:

- Không lạm dụng hóa chất bảo vệ thực vật trong sản xuất nông nghiệp.

a. Sinh sản vô tính là hình thức sinh sản không có sự kết hợp của giao tử đực và giao tử cái, cơ thể con được tạo thành từ một phần của cơ thể mẹ.

b.

a. Các giai đoạn sinh trưởng và phát triển trong vòng đời của bướm: trứng → ấu trùng (sâu) → nhộng → bướm.

b.  Ở giai đoạn sâu thì bướm gây hại cho mùa màng vì ở giai đoạn này thức ăn của nó là lá.

Last summer, I went to Quynh Bang with my family. We went there by  car, it is very far from my house, it is about 400 km, so we were very tired, but at one we felt better when we saw the sea. Quynh Bang beach is really interesting, the beach is very large, flat, and it has a lot of sand. Waves are very strong, you will be very excited when you play with it. There are  a lot of beauty spots,  and good seafood there. The weather was hot and sunny all day. The sea was cool and clear, because it was very windy in the afternoon. We went swimming twice a day. . The food was extremely delicious but not very expensive. We took a lot of photograps of the sea, bought a lot of seafood especially octopus and some sea present for our relatives. After a week in Cua lo beach we felt happy and stronger. We hope to go there again.

To stay healthy, I like to go for a walk every day. Walking is easy, and I can do it anywhere. I usually take a stroll in the park near my house. It's a nice place with green trees and flowers. I walk slowly and enjoy the fresh air. Sometimes, I bring my friend along, and we talk as we walk. It makes the exercise more fun. Walking helps me feel strong and keeps my body in good shape. I also drink lots of water, which is good for my health. After my walk, I feel happy and full of energy. It's a simple thing, but it makes a big difference in how I feel. Staying healthy is important, and I believe that small actions like walking can make a big impact on our well-being.

My name is han

my favourite hobby is watching films. I usually do it in the afternoon or in my free time

My favourite song is nang lung linh. I like it because I like this melody and it hels me relax very much

I usually cclean the bottles in my neighbourhood. l think its very important

 Renewable energy sources are important because they don't harm the environment. They help to reduce pollution and keep our air and water clean. Renewable energy sources like wind and sunlight are also always available. They don't run out like fossil fuels, which means we can rely on them for a long time. Using renewable energy can also create jobs in our communities. Finally, renewable energy helps us to be more independent and less reliant on other countries for energy.