Answer:
D. lower yields of fruit crops, due to decreased pollination
Explanation:
Pesticides are used to kill or stop the growth of insects that are harmful for crops but use of pesticides reduces biodiversity by killing a wide variety of insects.
Insects are one of the important component participate in the process of pollination that increases the biodiversity. insects move from one flower to other flower and spread pollen for reproduction. Due to pesticides some of the insects important for pollination got killed and reduces the pollination process. If pollination process will decrease, it will impact lower rate of reproduction of fruit crop.
Hence, the correct option is "D. lower yields of fruit crops, due to decreased pollination".
Answer:
c. Aa Bb
Explanation:
The parents were pure breeding with genotypes AAbb and aaBB. A cross between AAbb and aaBB would produce AaBb genotypes in F1 progeny. Two F1 strains would be crossed to produce F2 progeny. The F2 progeny would have the genotype ratio= 1:2:1:2:4:2:1:2:1.
Out of all the obtained genotypes in the F2 generation, the proportion of "AaBb" genotype was 4/16. Therefore, "4" in the given ratio represents the genotype "AaBb".
Answer:
As the description in the question suggests, the black colour trait was dominant over the whit colour trait. The changes in the 6 other cases were seen because in this case a heterozygous black guinea pig was crossed with a white guinea pig.
b b
B Bb Bb
b bb bb
The results from this cross show that half of the offsprings produced will be black and half will be white.
<h3><u>Answer;</u></h3>
<em>16 half-cup servings of beans and 4 three oz. servings of shrimp</em>
<h3><u>Explanation and solution;</u></h3>
Let x = number of half-cup servings of beans
Let y = number of 3 oz. servings of shrimp
We will have 2 equations, one for carbs and one for calories
7x + 9y = 148
30x + 190y = 1240
30(7x + 9y) = 30(148)
-7(30x + 190y) = -7(1240)
210x + 270y = 4440
-210x - 1330y = -8680
-1060y = -4240
y = 4
7x + 9y = 148
7x + 9(4) = 148
7x + 36 = 148
7x = 112
x = 16
Hence; X = 16 and Y= 4
16 half-cup servings of beans and 4, 3 oz. servings of shrimp
