Answer:
In grassland ecosystem, first trophic level is the producer. Producers are the organisms which makes their own food, here the producer are grasses. The second trohic level contain herbivores which feed on these grasses. These herbivores are eaten by secondary consumers which belongs to third trophic level and secondary consumers are then eaten by tertiary consumer.
The population of producers are very high so it is placed at the base while tertiary consumer are placed on the top due to low population.
The environmental effects of an individual or group in terms of resources used and waste produced is an individual or group's ecological footprint (option A).
<h3>What is ecological footprint?</h3>
Ecological footprint is the measure of how much biologically productive land and water area an individual, population or activity requires to produce all the resources it consumes and to absorb the waste it generates using prevailing technology and resource management practices.
Living organisms make use of resources in the environment and these can either leave negative or positive effect on the environment that will affect sustainability.
Therefore, it can be said that the environmental effects of an individual or group in terms of resources used and waste produced is an individual or group's ecological footprint.
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Answer:
Deuteranomaly is the most common type of red-green color blindness.
Answer:
A hypothesis is a possible explanation for a set of observations or an answer to a scientific question. A hypothesis must be testable and measurable. This means that researchers must be able to carry out investi- gations and gather evidence that will either support or disprove the hypothesis.
Explanation:
Answer:
a.)
Explanation:
The dense cold salty water from the south sinks to the bottom of the ocean.