Physical changes in species
Answer:
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Answer:
Yes, an acidic environment will allow more chia seeds to germinate than a neutral environment
Explanation:
Answer:
Answered below
Explanation:
Cell membranes are barriers which protect and regulate the movement of substances in and out of the cells. It is a semi-permeable and selective structure.
In the passive transport system, substances move along a concentration gradient and it doesn't require energy. The examples of passive transports include; simple diffusion which transports carbon dioxide and oxygen, osmosis and facilitated diffusion which transports charged molecules like ions, sucrose etc.
In active transport, substances move against the concentration gradient. This requires energy. The two main types are: primary active transport, which uses direct metabolic energy e.g Na+/K+ pump, and the secondary active transport system which couples the transported molecules with another molecule moving along the gradient, example the Na+/glucose transporter.
Answer:
Runoff from dairy farms causes high E. coli counts
Explanation:
Based on the scenario being described within the question it can be said that one hypothesis for this would be that the runoff from dairy farms causes high E. coli counts. This is because this runoff caries vasts amounts of organisms across the land and brings various animals which drink from the excess water and spread and increase the e.coli count.
