summary #8

In this topic I learn about the blood system.

I learn that the plasma is a plate- yellow liquid part of the blood that contain nutrients , also that the hemoglobin is a chemical that carries oxigen around in the body ,also about platelets that is a cell  fragment in blood that helps blood to form clots, arteries are blood vessels that carries blood aaway from the heart ,the veins also are blood vesselsthat carries blood toward the heart, capillarythe smallest type of blood vessels ,where materials are exchanged between blood and body cells transfussion is when is taking blood from one person to another person , antibody is a protein in blood that help destroy materials that can be harmful.

summary # 7

In this topic I learn how Ecosystem change.

The Ecological succession is the gradual replacement  of one community by another, the first animal that get into a new place is the pioneer specie,when there are the first  comunity in a place it is called pioneer .community, and the climax community its form by the final stage of succession in an area.

summary #6

In this topic I learn more things about the climate and animals and where they live.

They live in diferents biomes that in the biomes have his own climate , vegetation , animals.

Panama is in the tropical rain forest that in this biome have more animals , plants and vegetation that  each other.

Taiga is very cool they have less vegetation , animals , water.

Desert they have not too much animals ,  plants and rain . the Desert is the most arid biome that exist.

Tundra is cold , tree less and farnorth , marked by spongysoil.

summary #5

In this topic I learn that in the ecosystem many animals survive by others .

In the parasitism an example can be a dog  and a flea that the flea is benefit and the dog is harm.

A example of commensalism can be a orchid and a tree in this realation ship the orchid is benefit but the three isn´t harm.

In mutualism an example can be the yucca moth and the yucca tree that in the relation ship the two are benefit.

summary4

Cycles of Live

In this topic I learn many things like the decomposers help in the nitrogen cycle.

First I will explain what is a cycle a cycle is a process that have no begining and no end.

In the water cycle  they are things that help in this cycle like the sun, the trees. The sun help evaporating the water , the trees help by transpirating.
In the carbon cycle also the trees help by changing the carbon dioxide into oxigen.

summary #3

food chain and food webfood chain: the path of enegy in food from one  organism to another they always start with sun and finished with discoumpousers

food web: the overlapping food chainsin a community they always start with producers and ends with living things.

summary #2

living things and their envirment

The living thing or biotic and nonlivving things are found evrywhere . living things need non living things to survive.   the science that studies how living things an their envirorment interact isan e called ecology. Every living thing has a role or a niche,  an example of this is that every organism reproduce.

Examples of biotics factors:

animals

plants

fungie

algae

bacteria 

Example of abiotic factors.

mineral

rock

water

wind