Match the fossil type with the fossil description.
match term definition
mold fossils a) impressions from very thin objects that were trapped in mud that was transformed into rock
cast fossils b) formed when remains are trapped in tree sap
trace fossils c) formed when the remains of living things trapped in rock break down and leave a depression
petrified fossils d) preserved records of life, for example, a footprint or a trail
imprint fossils e) preserved remains that are transformed into rock
amber fossils f) a raised fossil that has filled in the impression from a mold

Explanation:

mold fosil - C

cast fossil - F

trace fossil - D

petrified fossil - B

Imprint fossil - A

Amber fossil - E

step 1: initiation

initiation is the beginning of transcription. it occurs when the enzyme rna polymerase binds to a region of a gene called the promoter. this signals the dna to unwind so the enzyme can ‘‘read’’ the bases in one of the dna strands. the enzyme is now ready to make a strand of mrna with a complementary sequence of bases.

step 2: elongation

elongation is the addition of nucleotides to the mrna strand. rna polymerase reads the unwound dna strand and builds the mrna molecule, using complementary base pairs. there is a brief time during this process when the newly formed rna is bound to the unwound dna. during this process, an adenine (a) in the dna binds to an uracil (u) in the rna.

step 3: termination

termination is the ending of transcription, and occurs when rna polymerase crosses a stop (termination) sequence in the gene. the mrna strand is complete, and it detaches from dna.

answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.