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kiruha [24]
3 years ago
10

Which of the following plants would have succeeded in colonizing the land early in Earth’s history and become an ancestor of mod

ern plants? Choose two answers.
A. a plant that produced flowers and seeds on tall stalks

B. a plant that grew close to the ground in a damp location

C. a plant that could reproduce without standing water

D. a plant that dried out quickly in the sun
Biology
2 answers:
Allisa [31]3 years ago
8 0

This might be wrong and i am sorry if it wrong but i think it is A. a planet that produced flowers and seeds on tall stalks and i am sorry again if its wrong

Alex17521 [72]3 years ago
6 0

Answer: B. a plant that grew close to the ground in a damp location.

C. a plant that dried out quickly in the sun.

In the history of earth through palentological evidences of fossilized plants it has been proved that land plants are evolved from aquatic plants. The example of these simple primitive plants includes bryophytes like hornworts, liverworts and mosses. The bryophytes undergone several adaptations to develop into modern plants like angiosperms and gymnosperms.

These plants used to grow on damp location because they lack true root and vascular system which are necessary to derive  dissolved water and nutrients from the soil.Therefore, the already wet location was useful to acquire water in those primitive plants.

These primitive plants dried out quickly in the sun because they had not developed adaptations like stomata (pores allows water and gases exchange) and wax coating on stems and leaves both of these features prevents loss of water due to transpiration (process of loss of water from plant) and keep plant hydrated. These two features were absent in primitive plants hence, they dried out.



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Un compañero de tu salón presenta una condición especial llamada gigantismo, ya que su estatura es mucho mayor que la de los dem
MrRissso [65]

Answer:

Podemos suponer que este estudiante tiene insuficiencia de la hormona de crecimiento (somatotropina) que la secreta la glándula hipófisis y se encuentra en la base del cerebro. Esta hormona no ingresa a las células en su mecanismo de acción por ser peptídica o no esteroidea.

Explanation:

En este caso presentado se encuentra una situación diferente a lo que sucede en el gigantismo: hay un problema hormonal en donde la hormona de crecimiento es secretada de manera excesiva. Recibe el nombre de acromegalia cuando sucede después del cierre de la epífisis del hueso, luego de la edad de crecimiento.

7 0
3 years ago
The equation of line e is y = 3/5x + 1. The equation of line f is y = -8/3x + 9/8. Are line e and
serg [7]

Answer:

I think they're neither perpendicular nor parallel

Explanation:

Not parallel since slope of e (3/5) isn't equal to slope of f (-8/3)

Not perpendicular since the product of their slopes isn't equal to - 1.

=> (3/5)(-8/3)= - 8/5 and not - 1

(plz make sure you typed the equations correctly.)

Hope this helps..

5 0
3 years ago
Which of the following is a major determinant of the distribution pattern of a population?
horrorfan [7]

Answer:

a.) rate of population growth

Explanation:

The population growth rate determines how a population will be distributed in a region. Populations with a high growth rate need to occupy more spaces, in addition to needing to consume a greater volume of natural resources. As the population grows, the distribution in the region becomes more intense, the opposite also happens. When the population growth rate indicates that the population is decreasing it means that this population will need less space and therefore, its geographic distribution will be smaller, as well as its impact on the region.

3 0
3 years ago
Someone help me it is very important
kolbaska11 [484]
Its the first answer
3 0
3 years ago
If a cell has the ability to take in water, food molecules, and other necessary materials it indicates it is capable of
sveticcg [70]

Answer:

Nutrition

Explanation:

Here, the answer cannot be absorption or digestion just because they are asking about intake of food, water and minerals. Digestion is a full fledged process during which food is chemically and mechanically transformed into a form through which energy can be obtained. The oprocess of digestion requires a complete digestive system that can be as simple as a vacuole in unicellular organism like eubacterium or as specialized as those of mammals like humans. Its not just about intake of food, but process of food transformation.

On the other hand, nutrition at cellular level is the process in which nutrients are obtained in any form, whether minerals, food or water. These nutrients act as our dietry supplementation and constitute the basics of our healthy diet.

Therefore, Nutrition is the correct answer.

Hope it helps! :)


3 0
3 years ago
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