A fossil is defined as
A) internal and external skeletons.
B) non-living structures within which certain chemical reactions take place.
C) the capacity for self-replication and self-regulation.
D) the tangible remains or signs of ancient organisms that died long ago.
Correct Answer:
Verified
Q12: Tracks, trails, burrows, and other marks left
Q13: Select the domain of life that is
Q14: The extinct group of animals known as
Q15: A cluster of species that share a
Q16: _ absorb most of their food from
Q18: _ are protists that possess a single
Q19: The genus that includes all the living
Q20: A three-dimensional, negative imprint of a fossil
Q21: Select the animal group below that is
Q22: Lophotrochozoans that respire by means of a
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