Atom, molecule, organelle, cell, tissue, organ, organ system, organism
Meiosis is when the parent (haploid) cells divides into two to create for daughter cells having half chromosome's number. This the produce sex cells or gametes - sperm for males while eggs for females. The division is in 9 stages here there is meiosis I then there is also meiosis II.
The food chain, just from common knowledge, would be
fruit trees, birds, monkeys, tigers.
The fruit trees cannot prey on anything. The birds eat the fruit, the monkeys can catch birds and eat them, and the tigers can eat the monkeys.
The effects that science and technology had given on humans
and other organisms is that they were able to provide health care in a way of
fighting certain disease or illness in prolonging life, another way is
transportation—to make it easier for a person to transport without having to go
through a hard time. Another factors are communication, exploration and even
agriculture. They were able to provide methods in making certain things to be
done easy and without having to go through hard methods.
Answer:
Are you referring to symbiotic relationships between organism? If so, the answer would be parasitism.
One organism, a parasite, takes advantage of another organism at the expense of the host organism.
Ex. A tick bites a dog for blood to use as food. The dog gets an uncomfortable bug bite and the dog might catch a tick borne disease.