An _observation_ is taken using the senses
Answer:
An invading.
Explanation:
When a(n) invading organism enters an established ecosystem, it competes with some of the native organisms for food. as a result, the entire ecosystem can be thrown out of balance
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Answer:
The correct answer is - gender constancy.
Explanation:
Gender constancy is the sense of knowing that the gender does not change regardless the changes in appearance or traits. It was a theory that is drived from the studies of the Lawrence Kohlberg, an American psychologist.
According to him the children develop a sense of their being male or female over time and awareness that it is permanent and fixed. Gender constancy can be develop in between the age of two to seven.
Thus, the correct answer is - gender constancy.
Answer:
In colder areas if it becomes warmer and hot which is the weather that area does not normally see then animals that live in this area may die or move locations fast because they are not made to live in hot places. Also nature, for example there are some plants and trees that are made to live in colder weather so when it becomes hot they will die and not grow in this area anymore becuase they cannot just get up and walk away as animals can.
Explanation:
Answer:
- The blood group of the father must be B.
- The genotype of blood group would be
. - The Rh factor of the father can either be positive or negative.
- Thus, the genotype of Rh factor of father would be either Rr or rr.
Rh factor:
The phenotype of the mother Rh factor is positive. Thus, she can have Rr or RR as her genotype as positive is a dominant trait.
If the genotype of the mother is RR then all the offspring would be positive for Rh factor. However, one of the offspring is Rh negative, that means the mother must be heterozygous that is, Rr.
The genotype of the father can either be Rr or rr in order to produce offspring with positive as well as negative Rh.
Blood group:
The blood group of the mother is A. Thus, the genotype can either be 
or 
.
However, the blood groups of the children are O+ and B+.
Thus, the genotype of the mother must be heterozygous that is .
The blood group of the father must be B with genotype in order to produce offspring with blood group O and B.
