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cluponka [151]
1 year ago
12

How have scientists started to study relationships between different groups of organisms?

Biology
1 answer:
guapka [62]1 year ago
7 0

Answer:

C. By using genetic analyses

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What evidence links echinoderms, hemichordates and chordates to the same evolutionary lineage?
sleet_krkn [62]

Answer:

Embryological evidence

Explanation:

Deuterostomes is a group that includes echinoderms, hemichordates, and chordates. Although these animals exhibit a wide variety of body plans, they share a mouth secondarily formed during embryo development, which it is believed to be an evolutionarily derived character present between a common ancestor and all its descendants (i.e., a synapomorphy). This oral cavity is formed by the invagination of the ectoderm layer opposite to the blastopore of the gastrula.

5 0
3 years ago
PLEASE HELP!!!!!
Marrrta [24]
<span>The Answer would be D: Mesquite Shrubs as these are plants that produce their own food (called autotrophs) Plants use solar energy, convert it to chemical energy and these can be taken up by other consumers like the Coyotes, Cactus finch and Beaded lizards. These plants are eaten by primary consumers that are in turn eaten by secondary and tertiary consumers. So from the given list, the Mesquite Shrubs would begin the flow of energy through a desert food web</span>
3 0
3 years ago
Read 2 more answers
What personal story does Lou share to illustrate the broken judicial system at work? Explain and analyze why this story speaks t
Nuetrik [128]

Answer:

Melanoma is the type of cancer Mary Lou had, Sunburns in adulthood assume to be the mostly associated with melanoma. Melanoma, the most severe type of skin cancer, develops in the cells (melanocytes) that produce melanin — the pigment that gives your skin its colour. Melanoma can be also apear in your eyes and, rarely, in internal organs, such as your intestines.

Explanation:

1. Describe the unspoken culture in Mississippi. How does this compare to any unspoken culture that you’re aware of where you live? Explain.  

The death penalty is part of the unspoken culture.  If you murder someone you are going to receive the death penalty.  Idaho has only executed 23 people since 1977.  So not as much as Mississippi.

5. What are your thoughts on the death penalty? Do you believe that people are less likely to commit murder or violent crimes in states that have the death penalty? Evaluate and explain.  I believe in the death penalty based on the crime committed.  And yes I think less people would commit crimes if we actually went through with the death penalty.

3 0
2 years ago
During which period is the substance changing state?
Aleks [24]

Answer:

\boxed {\boxed {\sf D. \ During \ the \ time \ labeled \ D, \ when \ the \ temperature \ stays \ the \ same}}

Explanation:

Phase changes have to happen at a specific temperature. During a phase change, the energy is used to make the change happen, instead of raising the temperature.

On a graph, a constant slope, or in this case temperature, is a flat line. On this graph, the flat lines are at B and D.

There is no answer including B, but there is for D.

Choice D: <u>During the time labeled D, when the temperature stays the same</u> is correct.

6 0
3 years ago
The function of guard cells in leaves is to
Dimas [21]
A ) Allow water to enter the leaf
5 0
3 years ago
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