Because people back then did not have enough access to technology like we do today
Hello there.
How many body cavity are there in human body?
Four
Answer:
It depends on whether or not the organism is a producer or a predator. If the organism removed is a producer, every other organism that relies on said producer for food will not be able to survive. If the organism removed is a predator, the organisms that said predator eats will flourish, diminishing the natural resources in the ecosystem and inevitably starving the population of the ecosystem.
Explanation:
Hi you’ve only provided one of the options but I don’t know if this will help. The cell membrane is a Thin flexible barristers that surround all cells. Selectively permeable is some substance to pass across while others cannot. Hopefully that can give you give an idea.
Answer:
yes this is true
Explanation:
Alport we from Indiana and he was born in the year 1898. In his opportunistic functioning theory, Alport alleged that people are motivated by the need to satisfy their biological survivals. Although he said this theory is not important in trying to understand the behaviors of people. According to him this theory is reactive and also biological.
