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ch4aika [34]
3 years ago
8

Please help if u know

Biology
1 answer:
Anton [14]3 years ago
5 0

Answer:

Humans are now responsible for causing changes in the environment that hurt animals and plant species. We take up more space on Earth for our homes and cities. We pollute habitats. We illegally hunt and kill animals. We bring exotic species into habitats. All of these activities take resources and habitats away from plants and animals.

Explanation:

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Nearly all fossils occur in what kind of rocks?
jolli1 [7]
A fossil will most likely be found in a sedimentary rock.
8 0
3 years ago
In a sample of yeast dna, 31.5% of the bases are adenine (a). predict the approximate percentages of c, g, and t. explain.
hjlf
T would be 31.5% - the same as A. C and G would be about 18.5% each. A & T and C& G are always found in about the same percentages of each other. A = T (Total of 63%, subtract from 100 = 37% which will be equally shared by G and C at 18.5)
5 0
3 years ago
How do lungs and airways compare among birds and mammals?
Shtirlitz [24]

Answer:

Birds do not have a diaphragm; instead, air is moved in and out of the respiratory system through pressure changes in the air sacs. ... Bird lungs do not expand or contract like the lungs of mammals. In mammalian lungs, the exchange of oxygen and carbon dioxide occurs in microscopic sacs in the lungs, called 'alveoli.

Explanation:

8 0
3 years ago
Colored protein granules in the kernels of corn is due to the dominant allele R. The recessive allele r, when homozygous, produc
Olin [163]

Answer: a) RY/ry

b) The unknown individual has colored protein granules and green colored leaves.

Explanation: a) Examining the progeny, we have individuals that are colored and green, which are the dominant gene of each trait. Since one of the parents is homozygous recessive, to "create" an offspring with those characteristics (color and green), the unknown parent must have at least one dominant allele of each: R and Y. There are also, individuals with the recessive trait, so the unknown parent must be heterozygous for both characteristics. In short, the unknown parent is RrYy.

There are 3 ways of showing <u>linkage notation:</u>

1) Two lines: each one representing a chromosome and showing the corresponding gene;

2) One line: genes on the same side are on the same chromosome;

3) Slash: genes on the same side are on the same chromosome:

So, the representation of the unknown parent is: <em><u>RY/ry</u></em>

<em><u /></em>

b) The phenotype of the individual is a plant which has <u>colored protein granules and green colored leaves</u>

5 0
3 years ago
The origin that the vastus medialis muscle shares with the vastus lateralis is the __________.a. patellar tendonb. lesser trocha
zmey [24]

Answer: Option C.

The origin that vastus medialis and vastus lateral is share is LINEA ASPERA OF THE FEMUR.

Explanation:

Vastus medialis and vastus lateralis muscles are part of quardriceps muscle group found on the thigh.

Vastus medialis is the most inner and medial of quadriceps and its extend the the leg at the knee while vastus lateralis muscles is said to be the most powerful quadriceps and extend the knee joint to stabilize the leg.

Vastus medialis and vastus lateral is share the same origin which is lines aspera of the femur.

7 0
3 years ago
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