Which of the following phyla in the animal kingdom exhibit an asymmetrical body plan? (Choose all that apply) placozoa

porifera

arthropoda

nematoda

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

there are 35 white marbles

step-by-step explanation:

y- yellow marbles

4y + 5 = 45

subtract 5 from both sides

4y = 40

divide for from both sides

y = 10

plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

thus there are only 10 yellow marbles

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.