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kipiarov [429]
2 years ago
9

Can I please get help?

Biology
1 answer:
Alja [10]2 years ago
5 0

Answer:

The Urinary bladder, the ureter, and the urethra are all organs that belong in the execratory system.

The heart and spinal chord are not organs in the execratory system. The spinal chord belongs to the nervous system and the heart belongs to the circulatory.

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The cell organelle helps organisms maintain homeostasis by controlling what substances may enter of leave the cells.
krek1111 [17]

Answer:

b)cell membrane

Explanation:

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3 years ago
in humans, having freckles is dominant over not having freckles. A heterozygous male with freckles has children with a female wh
Kruka [31]

Answer:

50%

Explanation:

If you do out the punnet square Ffxff, the result will be 50% of offspring with heterozygous (dominant trait is shown) and 50% will be homozygous recessive

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How many mutations are in the following DNA segment? (In other words, how many base pairs do not match up?)
salantis [7]

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2

Explanation:

7 0
3 years ago
Documentation descriptive details of events in nature -amounts,sizes,colors,smell,behavior,texture -for example-eclipse observat
Korvikt [17]

Answer:

field studies

Explanation:

The documentation and collection of descriptive details of events in nature such as amounts, sizes, colors, smell , behavior, texture e.t.c are all categorized as field studies.

It involves the gathering of raw data outside a laboratory.

  • Often times, based on the needs of an experiment, it is desirable to corroborate laboratory studies with field evidences.
  • The approach in gathering such data varies from discipline to discipline.
  • Most field sampling are usually done in an uncontrolled environment.
4 0
3 years ago
Which statements describe planetesimals? Select three options. They are the origins of planets. They formed from gas and dust. T
Anika [276]

A solid minute object that is said to come together for the formation of the planet and are believed to produce cosmic dust are called planetesimal.

The options that best describes the planetesimals are:

  • Option A. They are the origins of planets.

  • Option B. They formed from gas and dust.

  • Option D. They are believed to have developed in debris disks.

The descriptions can be explained as:

  • It is believed that planets formation occurred through planetesimals. The formation happened from gas, dust particles and debris.

  • By the process of accretion, the discs coalesced and became bigger and solid over time. This bigger mass started attracting other matters towards each other because of gravitational force.

  • This pull resulted in either breaking or creation a bigger mass of pieces known as planetesimals. The collision continued to become bigger and solid planets we know today.

Therefore, options A, B and D are correct.

To learn more about planetesimals refer to the link:

brainly.com/question/10337322

6 0
2 years ago
Read 2 more answers
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