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2 years ago

Describe at least two abiotic and two biotic factors found in this biome. (Desert Biome) How

Biology

1 answer:

Naddika [18.5K]2 years ago

4 0

Abiotic: the sunlight and water.

Biotic: Plants and insects

Explanation:

Plants such as cactuses can absorb and conserve water in their roots and use the sunlight to grow taller

Insects such as Desert beetles can trap moisture in their thick exoskeletons so they are parched or burned by the sun. They sometimes bury themselves deep in the sand where it's cooler.

The abiotic factors in the desert help the biotic factors survive

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The offspring of two parents obtains a single copy of every gene from each parent. T/F?

slega [8]

True is the answer................

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2 years ago

Having smooth seeds is a dominant trait. Having wrinkled seeds is a recessive trait. The offspring of two plants with wrinkled s

jolli1 [7]

Wrinkled seeds because every single trait is recessive

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2 years ago

A purebred tall pea plant is cross-pollinated with a tall, heterozygous pea plant. Use a Punnett square to determine the probabi

Ray Of Light [21]

Answer:

Explanation:

This question involves a gene coding for height in pea plants. The allele for tallness (T) is dominant over the allele for shortness (t). This means that allele T will be expressed over allele t in an heterozygous state.

A purebred tall plant will possess genotype: TT while a heterozygous tall plant will possess genotype: Tt. The two parents will produce the following gametes:

TT- T and T

Tt- T and t

Using these gametes in a punnet square (see attached image), the following offsprings with genotypes: TT and Tt in a ratio 1:1 will be produced.

TT offsprings are purebreed tall while Tt offsprings are heterozygous tall. Hence, based on the question, no offsprings of this cross will possess the recessive genotype (tt). This means that 0% of the offsprings of this cross will be short.

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2 years ago

12.

Ulleksa [173]

Answer:j

Explanation:

8 0

2 years ago

In 2006, scientists found a fossil that seemed to have fish-like scales and four legs. It also had a bone structure in its neck

lianna [129]

Answer:

Option-C

Explanation:

Scientists found a fossil of a fish with four limbs or legs. The fossil was estimated to be around 375 million years old.

The fossil showed the fins and scales of a fish but they also possess the bones of proto-wrist, shoulders and the elbow.

The presence of these bones can be a clue that the fish evolved the limbs to walk on the land and will later evolve into animals belonging to amphibians, reptiles and mammals. Therefore, the Tiktaalik is considered the missing link of how life evolved from water to land.

Thus, Option-C is correct.

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2 years ago