ke ten cac lop thuoc nganh dong vat co xuong song theo su tien hoa tu thap den cao .Qua do em rut ra nhan xet gi
lop ca va lop luong cucodac diem gi giong va khac nhau co ban ve doi song va dac diem cau tao ngoai
neu dac diem cau tao ngoai cua chim phu hop voi doi song bay luon
neu nhung dac diem thich nghi song vua o can vua o nuoc cua ech dong
tai sao chim bo co the bay cao va xa so voi mot so loai chim khac
neu dac diem chung cua lop thu va neu vai tro cua lop thu
hay neu nhung dac diem tien hoa cua lop thu voi lop dong vat da hoc
He than kinh cua Tho co gi tien hoa hon so voi cac lop truoc?
Giup minh voi, minh can gap
tai sao o moi truong nhiet doi gio mua dong vat lai da dang hon so voi o moi truong doi nong va doi lanh?
1. Dac diem, cau tao ngoai cua giun dua, san la gan
2. Nguyen nhan dan den tu vong cua benh nhan nhiem giun san.
3. Cach phong benh do dong vat nguyen sinh gay ra.
Mong moi nguoi giup do. Dang can gap.
Vi sao cac loai chim san moi thuong co kieu bay luon?????????
So sanh he ho hap cua than lan bong va tho, cua ech va chim bo cau? So sanh he tuan hoan cua than lan bong va tho, cua ech va chim bo cau?
Gap nha moi nguoi😂💓 Con vai tieng dong ho nua thoi ngay mai bat dau thi roi😂🌸
neu dac diem cau tao cua he tieu cua lop dong vat?
trinh bay cac co quan dinh duong cua lop thu tieu hoa tuan hoan ho hap bai tiet sinh san
