Help pl asa 1.What we call the maintenances of constant internal environment of organisms?

2. Animals which control their body temperature at constant state regardless the changes of external temperature are known as

3. What is the organ in our body which is used as an excretory organ and also used as an organ of osmoregulation?


4. What is the part of the kidney from which urine is taken through the ureter?


5. The structural and functional units of the kidney is .

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

Which nucleotide component contains nitrogen

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?