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3 years ago

HURRY PLZZ I REALLY REALLY NEED THIS

Biology

2 answers:

densk [106]3 years ago

7 0

The first question is horses having long legs so they can run away from predators

The second question is Animals are less likely to eat this plant.

The third question is White skin is a favorable adaptation because it makes the lizards hard to see against the white sand.

The fourth question is Organisms produce fewer offspring if the environment does not have enough resources.

The fifth question is People kill rattlesnakes that rattle when approached by humans, but people do not kill rattlesnakes that remain silent. The quiet snakes survive and breed.

The sixth question is With the smallest population size

If this helps brainliest answer would be appreciated

chubhunter [2.5K]3 years ago

3 0

6 ( horses having long legs so they can run away from predators )

5 (the animals are less likely to eat this plant , its a defensive adaptation )

4 (the white skin is a favorable adaptation because it makes the lizards hard to see against the white sand)

3 (organisms compete for limited resources)

2 (Giraffes that have long necks survive a dry season by eating leaves from the tops of trees. those giraffes breed more successfully that year)

1 (with the smallest population size)

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2 years ago

Arrange the events of the earliest stellar formation in sequential order.

notka56 [123]

Answer;

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A) Hydrogen atoms shed their electrons and fuse together to form larger helium atoms.

D) the glass clouds begin reducing in volume, which leads to increase in density, pressure, and temperature.

Explanation;

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3 years ago

Read 2 more answers

You have learned that the fusion of egg and sperm produces a zygote. But how does the sperm reach the egg, and how does the zygo

FrozenT [24]

Answer:

Pollen grain lands on stigma

Explanation:

A) Pollen grain lands on stigma

pollen tube grows down the style
generative cell divides, forming two sperm
two sperm are discharged to them female gametophyte
sperm fuse with the egg and two polar nuclei
zygote forms and divides into a terminal cell and a basal cell
cells of embryo differentiate into three tissue types---- seed dries out and becomes dormant.

During pollination, a pollen grain is transferred from an anther to a stigma. Once the pollen grain lands on a suitable stigma, it germinates and forms a pollen tube, a structure that grows down through the style to the ovary.
Once in the pollen tube, the generative cell from the pollen grain divides by mitosis, forming two sperm. The sperm travel down the pollen tube and are discharged into the female gametophyte. In a process called double fertilization, one sperm fertilizes the egg, forming the zygote; the other sperm fuses with two polar nuclei in the female gametophyte, forming a triploid (3n) nucleus. The zygote develops into the plant embryo, and the triploid nucleus divides and gives rise to the endosperm. Double fertilization prevents the waste of the plant's resources by ensuring that the nutrient-rich endosperm only develops if the egg is fertilized.
After double fertilization, the ovule starts to develop into a seed containing the plant embryo. As the embryo develops, the three tissue systems are established, and the cotyledons (seed leaves) form. The seeds of many species dry out as they mature. These dry seeds lie dormant until suitable germination conditions occur.

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