Explanation:
Observations allow us to collect data that we can connect back to the central problem. From this data we can start to form hypotheses (predictions on possible solutions or outcomes).
Answer:
A tight junction is a watertight seal between two adjacent animal cells, which prevents materials from leaking out of cells.
Explanation:
In the center of the centrosome
Poaching of the tiger is very common in India and has very badly affected the population of the tiger. They are mainly slaughtered for their skin, bones, burnt hair, whiskers, etc. Poaching of other animals such as elephants, lions, etc is also very common. It's a shame on human beings to kill animals for their selfish motives.
