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luda_lava [24]
3 years ago
5

Which evolved during the Paleozoic Era? A. saber-toothed cats B. the first humans C. bacteria that could produce oxygen D. earth

’s first land plants
Biology
1 answer:
xenn [34]3 years ago
6 0
D. Earth's first land plants.
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Answer:

Explanation:

a. Since both the parents are carriers, they have one allele that is the gene for the normal trait and one gene that is for the sickle cell trait. So the genotypes of the parents are Hh

b.   If we use a punnett square:

                    H            h

         H       HH           Hh

         h        Hh           hh

Genotypic ratio: 1 HH: 2Hh: 1hh

Phenotypic ratio:      1 normal blood cell: 2 sickle cell carriers: 1 sickle cell disease

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3 years ago
The current system used for naming organisms was developed by who?
Alja [10]
Carolus Linnæus

<span> Taxonomy, responsible for many scientific classifications and influences in various field of life sciences or biology.  Evidences that Taxonomy uses to group or categorizes species range from </span><span><span>
1.       </span>"Fossil Records</span> <span><span>
2.       </span>Comparative anatomy</span> <span><span>
3.       </span>Comparative embryology</span> 
4.       Biochemical information <span><span>
5.       </span>Cellular structure</span> <span><span>
6.       </span>Behavior</span>" 
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3 years ago
Which characteristic is most consistent with anorexia nervosa?
Bumek [7]
The body size overestimation is most consistent characteristics with anorexia nervosa. The anorexia nervosa is a mental and perhaps life-threatening eating condition distinct by an very low body weight comparative to stature in which this is called body mass index and is a role of an individual height and weight, risky and unnecessary weight loss, irrational fear of weight gains and misleading awareness of self-perception and body. The person who undergo from anorexia nervosa demonstrate an obsession with a thin figure and unusual eating patterns and is interchangeable with the term anorexia which talk about to self-starvation and deficiency of appetite.
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abruzzese [7]

Answer:

I believe it will be D. all of the above.

Explanation:

4 0
3 years ago
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