The remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast in rock.
Mold fossils
Cast fossils
Trace fossils
Answer:
Sheep
Explanation:
Carnegie stages can be described as the period of maturation in mammals. It is during this period that they develop most of the body parts and organs that is needed for them to survive in the outside world. There are about 23 stages which classify the ways each mammals form and develop various features on their bodies.
The Carnegie Stages of development are unique to mammals this is because mammals carry their young one in their wombs, they stay there deriving nutrient from their mother until they are ready to be born. From the options listed above the mammal among the animals, there is sheep. Hence a sheep undergo Carnegie stage.
An animal can respond in negative ways such as: biting, scratching, urinating, whining, restlessness, snippy, or getting sick.
Answer:
Insertion
Explanation:
An insertion is the addition of one or more nucleotide base pairs into a DNA sequence.
In this case, T was added to the strand
<span>The correct answer is c. producer: elodea, consumer: squirrel, decomposer: crayfish, abiotic: phosphates.</span>
Elodea-the aquatic autotrophic plant (makes its own food) which does photosynthesis,
Squirrel-animal, heterotrophic organism (consume food which plant produce), <span>Crayfish- feed on animals and plants, either living or decomposing, and detritus,</span> <span>Phosphates-non-living, organic or inorganic molecule.</span>
