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UkoKoshka [18]
3 years ago
9

How was the brushtail possum transported to its new ecosystem?

Biology
1 answer:
ira [324]3 years ago
8 0
The common brushtail possum was introduced to New Zealand in 1837 to establish a fur industry, but in the mild subtropical climate of New Zealand, and with few to no natural predators, it thrived to the extent that it became a major agricultural and conservation pest<span>.</span>
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Ralph has type B blood and his wife Rachel has type A blood. They are very shocked to hear that their baby has type O blood, and
Cerrena [4.2K]

Answer:

1. The parents genotypes could have been BO and AO

2. wire-hair

Explanation:

There are four possible blood types which are type A, B, AB, O. blood group is the classification of blood based on the presence or the absence of inherited antigenic substances on the surface of the red blood cells. They have hereditary basis and also rely on a series of alternative genes sometimes used in solving dispute of parental heritage. With the four possible blood groups, there are six possible genotypes and these are:

Blood type               possible genotypes

Type A                         AA, AO

Type B                         BB, BO

Type AB                           AB

Type O                              OO

Thus, for parents with blood type B and A to give birth to a child with blood type O, it means their genotype could have been both BO and AO  for them to be able to produce a child with OO. a cross between these two could give rise to OO.

Question 2

Wire hair is dominant (S) to smooth (s), thus wire hair could be in the homozygous (SS) and heterozygous form (Ss) and the smooth hair can only be expressed in the homozygous recessive form (ss).

thus, in a cross between homozygous wire haired and smooth haired, we will have:

homozygous wire haired            homozygous smooth haired

P gen              SS                x               ss

F1 gen.                                Ss

phenotype:                     wire haired

8 0
3 years ago
How does biofuel use differ from solar, wind, and geothermal energy use?
Svetradugi [14.3K]
Its "C" because the earth only has a certain amount of oil but yet we have endless amount of sun, solar, and wind 
4 0
3 years ago
Read 2 more answers
Help me please please
disa [49]

Answer: I think it id b  But im not positive

4 0
3 years ago
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Density-dependent inhibition is a phenomenon in which crowded cells stop dividing at some optimal density and location. This phe
Brilliant_brown [7]

Answer:

This statement is true

Explanation:

Different substances such as growth factors and nutrients affect the mechanism of density-dependent inhibition of growth as cells become more and more numerous

8 0
3 years ago
Write two examples and two characteristics of monocot and dicot plant​
Sophie [7]

Answer:

MONOCOTS                                                  DICOTS

Embryo with single cotyledon           Embryo with two cotyledons

Pollen with single furrow or pore          Pollen with three furrows or pores

Flower parts in multiples of three      Flower parts in multiples of four or five

Major leaf veins parallel                  Major leaf veins reticulated

Explanation:

Monocots include most of the bulbing plants and grains, such as agapanthus, asparagus, bamboo, bananas, corn, daffodils, garlic, ginger, grass, lilies, onions, orchids, rice, sugarcane, tulips, and wheat.

8 0
3 years ago
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