Drag the tiles to the boxes to form correct pairs. Match these organisms to the terms that best describe them.
diatoms
nitrogen fixers
jellyfish
zooplankton
whales
nekton
cyanobacteria
phytoplankton

Which prevent errors in dna replication? a. helicase enzyme checks the dna for errors. b. each base can attach to only one other type of base. c. ribosome enzymes prevent errors from happening. d. dna contains no complementary base pairs.

When water freezes, it . contracts expands

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing