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Alexxx [7]
2 years ago
11

g What is the ultimate cause of the many extinctions for the megafauna (Diprotodon, Giant Wombat, Marsupial Lion, Giant Goanna,

etc) once found in Australia
Biology
1 answer:
Vinvika [58]2 years ago
3 0

Answer:

These animals are thought to have succumbed to hunting pressure related to the expansion of Australia's human population.

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The epithelial cells in the skin of an animal have 24 chromosomes. How many chromosomes are present in the gametes of this anima
mrs_skeptik [129]

Answer:

There will be 12 chromosomes

Explanation:

We have given that The epithelial cells in the skin of an animal have 24 chromosomes

We have to find the number of chromosomes present in the gametes of this animal

We know that number of chromosomes present in the gametes is given by

\frac{number\ of\ chromosmes\ present\ in\ skin}{2}

So number of chromosomes in gametes =\frac{24}{2}=12chromosomes

4 0
3 years ago
Read 2 more answers
Are bats the only mammal that can fly? BQ: are there flying reptiles
GREYUIT [131]
Yes, they ate the only mammals which could fly because flying squirrels, possums or etc. could only glide for a short distance and time, unlike bats. There are no reptiles who could fly, but there are reptiles who could glide which I think is completely different. But they said that Pterosaur existed which they believed it is a flying reptile dinosaur. Just look it up. :)
6 0
3 years ago
Each position of a codon can be occupied by one of four nucleotides. What is the minimum number of nucleotides per codon necessa
USPshnik [31]

Answer:

The minimum number of nucleotides per codon necessary to specify all 20 amino acids that are found in proteins is <u>3</u>

Explanation:

There are four nucleic acids in the RNA, adenine uracil, guanine, cytosine. Each of them combines in groups of three to give the different amino acids. In total,  there are 64 different combinations of nucleic acids that codify the 20 amino acids that we need for our vital functions.

4 0
3 years ago
Which of the following is an example of a limiting factor in a forest?
Reil [10]

D. Lack of sunlight

Explanation:

In a forest, an example of a limiting factor is that lack of sunlight.

Limiting factors in an ecosystems are the that factors usually made up of environment resources that affects the growth and abundance of organisms in an ecosystem.

  • Examples are sunlight, water, nutrient, air etc
  • In a forest, sunlight is one of the limiting factors.
  • Forest vegetation are stratified.
  • The broad leaved canopy trees dominates and receives the bulk of the sunlight.
  • The undergrowth beneath competes for the little sunlight that reaches below for their own use.
  • Distributions of sunlight in an ecosystem affects the way in which vegetation are dispersed.

learn more:

Rain forest brainly.com/question/12095428

#learnwithBrainly

8 0
3 years ago
Scientists can create new species in the lab by controlling the individuals that mate. This is also done in agriculture under th
svet-max [94.6K]

Answer:

Artificial Speciation

Explanation:

6 0
3 years ago
Read 2 more answers
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