The correct word to fill the gap would be indirect.
In other words, an indirect survey makes use of evidence, such as the footprints left behind by animals, to follow animals that are difficult to track.
Ecological surveys are of 2 types:
Direct ecological surveys have to do with studying phenomena directly and recording whatever that is observed.
Indirect surveys involve an indirect way of studying phenomena. The signs left by phenomena are observed and logically used to make deductions about such phenomena.
More on ecological surveys can be found here: brainly.com/question/1182023?referrer=searchResults
Answer:
Option A, hydrophilic/hydrophobic forces
Explanation:
The cytoplasmic membrane consists of phospholipids which have both the hydrophilic and hydrophobic regions and hence are amphipathic in nature. Due to this structural complexity, phospholipids produces barrier both at the interior and exterior of cell and hence form a membrane bilayer under suitable conditions. For instance when it is in water, it arrange itself in a way that their hydrophobic tails lie at the inner side and hydrophilic heads face outer side.
Hence, option A is correct
Glucose can diffuse from the digestive tract into the human blood system without first being digested.
Answer:
New Homes
Explanation:
Without building additional housing for the people you wish to have there, it is impossible to increase the population.
