When energy passes from one trophic level to the next, I would guess that the two factors which decrease the total amount of energy from being passed up are:
1. An organism does not assimilate all the energy of food consumed. Within a consumer, digestion and assimilation of energy is not 100% efficient: some of the energy is lost.
2. A large proportion of energy assimilated by a producer and consumer is lost through respiration, i.e., day-to-day maintenance of metabolic processes.
Fossils help scientists date rocks: True
Sometimes younger rock layers are found beneath older rock layers: True
The map of earth has changed over millions of years, but it is now set: False
No fossils from the precambrian era have been found because there were no organisms that time: False
hope these are correct :)
This is pretty obvious. The answer is B)metals because most of the nonmetals are gases but the majority is metals.
Salty ocean water because salt is a condesor.
Answer:
Begins with/Ends with: One diploid cell, four haploid cells
Occurs in: Humans, animals, plants
Results in: Sexual Reproduction, Seeds
Type of Reproduction: #1 (too long to type :)
Function: Biological reproduction, generation of the species
Hope this helps!
