(fill in the blank) word bank: radiation, accumulate, genetic drift, DNA

1: Helpful variations may in a population, while unfavorable ones may disappear.
2: , a mechanism of evolution, is a random, directionless process.
3: Mutations can occur when an organism is exposed to
4: Mutations may be the result of damage to a cell's

(write the answer)

#1: How do environmental factors contribute to evolution?
#2: How could 2 species, that compete for the same resources, affect each others' evolution?

bru what tyep of qus is dis

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

they have identical fossils of organisms that have evolved over time.

both have animal fossils preserved in them due to weathering and erosion.

they contain different fossils because life on earth has changed through time.

the fossils in them were formed on the surface of earth due to exposure to sunlight.