Explanation:
Oxygen and nutrients from food must be absorbed into the bloodstream to be delivered to cells for respiration. Waste materials such as carbon dioxide must be removed from cells into the bloodstream. Tissues contain capillary networks to allow these exchanges to occur at a cellular level.
Answer:
<h2>Chalamydomonas.</h2>
Explanation:
Protists are those organisms that are unicellular and eukaryotic in nature. They are present in diverse forms and structures and show different types of characteristics/. There are many protists that are harmful to human beings and some other organism that causes certain diseases called parasitic protists such as protozoans, trichomonas and some other. There are some protists that are not parasitic in nature such as Chlamydomonas and some other. Protists have different types of the mode of nutrition that may be autotrophic, saprophytic and parasitic and some other.
Answer:
A generation is "all the people who are born and lived at about one time collectively" and is also defined as "the average period in which children are born and grow up, becoming adults and start having children of their own" "currently approximately thirty years"
Density Change is when the mass/weight of an object modifies by sometimes its environment. It relates to pond life by how much weight thats in the pond and the mass of creatures, such as frogs and crocidiles
Answer:
Cell Organ System Organ
Explanation:
cells make up everything as a building block of life.
