"Water quality" may include the amounts of dissolved oxygen
and the levels of algal growth, pollutants which may be present and the pH level. Water quality effects also which types of organisms can
survive in a body of water.
Shellfish require a high level
of dissolved oxygen and their abundance is an indication of good water quality. Shellfish are sensitive to changes in the ecosystem and they cannot easily escape changes in the water quality. These are one of the reasons why shellfish are good indicators of water quality.
Answer:
Contract; relax
Explanation:
In the patellar tendon reflex arc, the quadriceps femoris contracts when the quadriceps femoris of the the thigh is stretched through the stretching of the patellar ligament. This also causes the hamstring to relax
Answer:
i have been going over punnett squares with my 7th grade science class and on what it looks like to me 62.5%
Explanation:
because baced off of the second genration and my test from yesterday out of all 8 because there are 5 little y and there are full out 3 upercase ys and if you find the precent of 5 out of 8 it gets you 62.5 i hoped this helped and i hope it is right
Answer: i think its true. ( based of information i got)
Explanation: The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers such as plants, algae, and cyanobacteria use the energy from sunlight to make organic matter from carbon dioxide and water. This establishes the beginning of energy flow through almost all food webs. also A food web consists of many food chains. A food chain only follows just one path as animals find food. eg: A hawk eats a snake, which has eaten a frog, which has eaten a grasshopper, which has eaten grass. A food web shows the many different paths plants and animals are connected.
sorry if this was not what u were looking for or this is incorrect!:( have an nice day! UwU
