科学家们还发现了130多万种无脊椎动物。这些动物中多数是昆虫，昆虫中多数是甲虫。鼻涕虫蚯蚓，乌贼，牡蛎，红海星，水母，蜘蛛，珊瑚虫，放射虫，蛔虫，猪肉绦虫，毛毛虫，沙蚕,蜗牛蛞蝓等动物都属于无脊椎动物。
关于动物的英语作文范文一：
I love rabbits very much because they are always submissive and lovely.
Rabbits have red eyes which make them look cute.Their hair feels soft and their long ears always make me think that they are clever.
Once I owned a rabbit at home.I looked after it every day and loved it very much.But one day it fell down the floor and died.
I missed it so much that when I heard something about the rabbits,there was a lovely and smart guy jumping in front of my eyes.
因为他们总是服从和可爱的，我爱兔子非常。
兔子有使他们看起来逗人喜爱的红色眼睛。他们的头发总是感觉软和他们长的耳朵使我认为他们是聪明的。
一旦我在家拥有了一只兔子。我每天照看了它并且爱非常。但是一天它跌倒了地板并且死了。
我错过了这么多，当我听到有关兔子的东西，有一个可爱的和聪明的家伙在我的眼前跳跃。
关于动物的英语作文范文二：
There is a saying"Dog is human's friend."There are too many clever dogs aroud us.I have a friend.The firend has a dog. Its name is Peter .Peter is very clever and clean.Every afternoon my firend takes Peter for a long walk outside.Peter likes these long walks very much.He is very happy at this time.One Sunday afternoon a young man came to visit my friend.He stayed a long time.He talked and talked.Soon it was time for my friend to take Peter for his walk.But the visitor still talked.Peter began walking around him to attract him.But the visitor didn't know his meaning and paid no attention.He continued talking. Finally Peter couldn't bear it.He went to the corner of the room and brougut the visitor's shoes in front of him and then he held the visitor's bag in his mouth and ran our of the room."You should leave our home,"Peter thought.
有句老话说“狗是人类的朋友。”在我们身边有很多很机灵的狗。我有一个朋友，他有一只狗。狗的名字叫彼得。彼得是一只很聪明并且很干净的狗。每天下午我的朋友都带着彼得在外面散步很长时间。彼得很喜欢散步。每当这个时候它都很开心。一个星期天下午一个年轻人来拜访我的朋友。他呆了很长的时间，一直在和朋友聊天。很快到了我的朋友要带着彼得出去散步的时候了。但是来访的朋友还没有要走的意思，还是不停说啊说。彼得开始围着来访的人转，并且开始攻击他。但是来访者还是不知道彼得的意思并没有注意它，继续说着话。最终彼得再也忍受不了了。它走到房子的一个角落，把来访者的鞋子弄到他的面前，并且用嘴巴叼着他的包跑出房间。彼得想，你必须离开我的家。
关于动物的英语作文范文三：
My favourite animal
My favourite animal is tortoise. Tortoise walk not fast. But I like the tortoise. Why? Because, tortoise is a cute animal. It have a short tail and a four short foot. It have a little head and a hard shell. They are forty-five little and cute tortoise in My home. They like to play in the water. When they afraid some thing. They wall run fast. They like to eat the fish. I often buy some small fish to them to eat. They can catch the fish fast. First, they fake(假) sleep. When the fish swim near they mouth. They catch the fish fast and bit the fish head. So, the fish die. They can eat the fish. In winter. They like to sleep in the sand. When they sleep, they don’t eat any food.Because they wall hibernation. But, when they are thirsty. They come out of the sand. So, we must give water to them to drink.
I love the tortoise. I hate the eagle. Because, the eagle often eat the tortoise with it sharp mouth.My favourite animal is tortoise.