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Rina8888 [55]
3 years ago
6

The temperate grasslands, also called prairie, feature hot summers and cold winters. Rainfall is uncertain and drought is common

. The temperate grasslands usually receive about 10 to 30 inches of precipitation per year. The soil is rich in organic matter because the above-ground portions of grasses die off annually, enriching the soil. The area is well-suited to agriculture, and few original prairies survive today. All but one adaptation would help grasses survive grazing and other disruptions. Identify that adaptation. A) Grasses grow from near their base. B) Prairie grasses have narrow leaves. C) Prairie grasses have extensive root systems. D) Grass roots survive even when above ground parts a destroyed by fire.
Biology
1 answer:
weeeeeb [17]3 years ago
8 0
B) Prairie grasses have narrow leaves.

Took the quiz it's right.
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What is the purpose of engineering the citrus tristeza virus?
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Give the functions of the following parts of the respiratory system - Nostril - trachea - bronchiole - alveoli - pharynx - laryn
erica [24]

Answer:

Respiratory System: The respiratory system's main job is to move fresh air into your body while removing waste gases.

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3 0
3 years ago
How does the structure of chromosomes differ in prokaryotes and eukaryotes?
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</span>
4 0
3 years ago
Conduct a dihybrid cross of pea plants with the following combination of traits: Parent 1—Tall plant with white flowers (pure br
Angelina_Jolie [31]

Answer:

i) Genotype of Parent 1= TTpp

Genotype of  Parent 2= ttPP

ii) The genotypes of their gametes

Parent 1= Tp

Parent 2= tP

iii) F1 generation = All TtPp (tall and purple flower)

iv) F2 phenotype ratio= 9 tall, purple: 3 tall, white: 3 dwarf, purple : 1 dwarf, white.

F2 Genotype ratio= 1:2:1:2:4:2:1:2:1

Explanation:

Let's assume that allele "T" gives tall plants while allele "t" imparts dwarfism. Likewise, the dominant allele "P" is responsible for purple flowers while recessive allele "p" gives white flowers.

i) Genotype of Parent 1—Tall plant with white flowers (pure breeding)= TTpp

Genotype of  Parent 2—Dwarf plant with purple flowers (pure breeding)= ttPP

ii) The genotypes of their gametes

Parent 1= Tp

Parent 2= tP

iii) F1 generation = All TtPp (tall and purple flower)

iv) Each of the F1 plant with TtPp genotype will form four types of gametes= TP, Tp, tP and tP

A cross between TtPp x TtPp gives F2 progeny in following ratio=

F2 generation phenotype ratio= 9 tall, purple: 3 tall, white: 3 dwarf, purple : 1 dwarf, white.

Genotype ratio= 1:2:1:2:4:2:1:2:1

5 0
3 years ago
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