Summary #9

The blood system


I learn from this topic that we have red blood cells , white blood cells and platelets.Also we learn the heart parts.And finnally that capilaries connect veins and arteries and that arteries have the blood bright red and veins have the blood dark red.

Summary #8

How ecosystem change

I learn from this topic that the ecosystem change like a  farm.An adandoned farm,then there start to come many butterflies and insects.Then,many plants start to grow and birds and rabbits start to come.The, appear more plants and birds.Then, there grows trees and weeds and start to appear foxes.And finnally,it"s become a forest.

Summary #7

Places to live around the world

I learn from this class that a biome is a place where many animals live around the world.The biomes are:Taiga,Deciduos forest,Tropical rainforest,Desert,Tundra and Grasland.

Summary #6

Surviving in ecosystem



I learn from the class of surviving in ecosystems that many animals survive in their ecosystem because
many animals camuflage.Also that there are many kinds of organisms that interact.There are symbiosis,parasitism,commensalism and mutualism.A relationship between two kinds of organisms that last over a period of time is called  sysmbiosis.When a relationship between two kinds of irganisms benefits both of them, it is called mutualism.A relationship in wich one kind of organisms lives on or in another organism and may harm that organism is called parasitism. The relationship where one organism benefits from another without harming or helping it is called commensalism.