PLEASE HELP ME! I NEED IT NOWWWW! Please answer the questions in pictures.
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Answer:
A is like 50 degrees
Explanation:
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HURRY ASAP I NEEDZ HELPZ Which are ways of showing probability? Check all that apply. 50% 557 1 × 104 25%
B) echinoderms
C) arthropods
D) mollusks
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Sand dollars are radially symmetrical and have an internal skeleton but no backbone. This belongs to echinoderms.
What is echinoderms?
Echinoderms are known for their radial symmetry and pentamerous bodies (five or more limbs, typically grouped two on the left, one on the middle, and two on the right).
The body is divided into five equal sections, each of which has a duplicate set of different internal organs. Although brittle stars lack a heart, brain, or eyes, some of them appear to have light-sensitive areas on their arms.
Echinoderms have tube feet, which resemble tentacles and have suction pads at the ends. The extraordinary vascular system that controls these tube feet hydraulically.
Therefore, Sand dollars are radially symmetrical and have an internal skeleton but no backbone. This belongs to echinoderms.
To learn more about echinoderms, refer to the link:
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Sand dollars are radially symmetrical and have an internal skeleton but no backbone. Which phylum do sand dollars belong in?
B) echinoderms
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Answer:
no it does'nt matter
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i hope this helps.
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embryonic stem cells could serve as a model to evaluate the physiological effects of environmental pollutants efficiently and cost-effectively.
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Answer:
Heterozygous
Explanation:
Answer:
dominant i think
Explanation:
i think double check
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Answer:
In a dichotomous key you named then by their traits while in a branching diagram it already has the name and it's traits.
Explanation:
In dichotomous keys (also called single-entry or single-entry keys), a fixed sequence of alternatives must be followed, where multiple steps (including one or more characters) present two contrasting options (character states). As a result, only a single series of choices results in correct identification. Thus for each taxon there is a specific sequence of steps. An important factor of the dichotomous keys is that through them it is possible to name living beings through their characteristics.
A branch diagram can be used to represent a probability space. It can also be used to represent the various possibilities of a permutation or combination. This type of diagram provides a convenient way to organize information from a set of conditional events. In biology, the branch diagram shows the name and characteristics of a being and its relationship to different beings and characteristics.
Example: The American Alligator and the Chinese Alligator (look it up!) are in the same family and genus, but are not the same species.