Which of these statements about a food web is true?

a) matter is changed into various forms but the total quantity remains unchanged. b) matter is created at the start of a food web and destroyed in the end.
c) there are an equal number of producers and consumers.
d) the quantity of matter increases as the food web progresses from the producers to the consumers.

New york city has 2,181 inhabitants per square mile. the state of alaska has 1.03 inhabitants per square mile. ecologists would say alaska has a low exponential growth population density birth rate carrying capacity

In a cladogram' when does a group of organisms branch off

Svetlana and her mother are very similar. both have blonde hair, a love of scrapbooking, blue eyes, and a thin nose. which statement  most likely  describes svetlana’s traits? svetlana inherited her love of scrapbooking from her mother, but her blue eyes come from her environment.svetlana inherited her blue eyes from her mother, but her love of scrapbooking comes from her environment.svetlana inherited her thin nose from her mother, but her blonde hair comes from her environment.svetlana inherited her blonde hair from her mother, but her thin nose comes from her environment.