Cells<span> that </span>do<span> the same job combine </span>together<span> to form body tissue, such as muscle, skin, or bone tissue. Groups of different types of </span>cells<span> make up the organs in your body, such as your heart, liver, or lungs. Each organ has its own job to </span>do<span>, but all organs </span>work together<span> to maintain your body.</span>
The four terrestrial planets are known as Mercury, Venus, Earth and Mars, they are all rocky planets composed primarily of silicate rocks and/or metals. They are all the planets closest to the sun in our Solar System. The Gas Giant's or Jovian Planets and <span>are composed mainly of a combination of gases/elements: </span>hydrogen<span>, </span>helium<span>, and </span>water<span> that exist in various </span><span>physical states. These are Jupiter, Saturn, Uranus and Neptune. Behind them is the dwarf planet Pluto (which has recently been re-instated officially as a planet), this is located in the Kuiper Belt.</span>
<span>Alleles are two different forms of single gene that are located in specific position on a specific chromosome. It can be classified into two allele pairs: homozygous and heterozygous. In homozygous, both alleles are the same whether they are both dominant or recessive; while in heterozygous, one allele is dominant and the other is recessive.</span>
The answer is B,trust me I took the test.GOOD LUCK
The populations of the species there will go extinct