Propose an explanation why there might be a sudden appearance of a species in the fossil record. the fossil record is incomplete and the previous members of the lineage did not leave a fossil. the fossil record is complete. that species lived in an area that had an abundance of water and mud. fossils could not be found in that layer of rock
Answers: 3
Biology, 21.06.2019 13:30
Which of the following descriptions of proteins are true? i. proteins can have different sequences of amino acids. ii. proteins can have different shapes. iii. proteins can have different numbers of amino acids. a. only i and ii are true. b. only ii and iii are true. c. only i and iii are true. d. i and ii and iii are all true. e. none are true statements
Answers: 1
Biology, 21.06.2019 17:00
Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d.the size of the geographic area inhabited by a population can cause speciation.
Answers: 2
Biology, 22.06.2019 01:00
If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly
Answers: 2
Biology, 22.06.2019 02:00
What type of weather does tropical continental air bring in summer? hot and cloudy cool and sunny hot and sunny cool and cloudy
Answers: 3
Propose an explanation why there might be a sudden appearance of a species in the fossil record. the...
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