Answer:
The correct answer is C) gene flow
Explanation:
The biological species concept defines what is a species. It says that a species is a group of individuals in a population that interbreed with each other. So there should be gene flow between the members of the population to come under species.
Appearance does not define that two individual are of same species because even different species can look same for example Western meadowlarks and eastern meadowlarks looks identical to each other but they do not interbreed so there is no gene flow between them so they are not same species.
Therefore the primary criteria for determining species boundaries is gene flow.
If the farm uses pesticides and herbicides that will runoff into the water leading to contamination of that water.
Answer:
Explanation:
Standing crop is the biomass or living matter of biotic components of an ecosystem at a particular time. It represents the entire living matter (biomass). ... Standing state can be defined as the amount of inorganic nutrients found in an ecosystem. It represents the part of non-living matter.
I believe it is C.) Tasting a solution you think is edible after creating it in the lab.
I could be wrong though.
Answer:
a. You record the air temperature every day for a week.
Explanation:
Recording air temperature every day for a week can be classified as making an observation.
Observation is a part of the scientific method. It is a basically a way of collecting data.
- During observation, our senses can be used or instruments.
- Depending on the nature of the study, specialized instruments helps to bridge the limitations of our senses.
- A good scientist is a keen observer.
- Making a record of air temperature usually by using a thermometer is a way of carrying out observation.
When you record air temperature, you are making an observation.