A.二分裂 B.裂殖生殖 C.孢子生殖 D.出芽生殖
A.卵→幼蟲(chóng)→成蟲(chóng) B.卵→幼蟲(chóng)→若蟲(chóng)→蛹→成蟲(chóng) C.卵→幼蟲(chóng)→若蟲(chóng)→成蟲(chóng) D.卵→成蟲(chóng)
A.空腸 B.盲腸 C.結(jié)腸 D.回腸