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IrinaK [193]
3 years ago
10

What are 2 ways the structure of pine leaves adapts these trees for life in dry environments?

Biology
1 answer:
BabaBlast [244]3 years ago
3 0
Thick bark helps reduce water loss, almost as well as thin needles. A wide, shallow base of roots help it absorb water from the soil
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Rosalind Franklin contribute to the understanding of DNA by
IRINA_888 [86]
Rosalind Franklin contributed to the understanding of DNA by discovering It's shape and structure. 
4 0
3 years ago
What produces the sun’s light and heat
Andrews [41]

Answer:

The Sun produces a light by nuclear reaction called fusion.

Explanation:

Atoms of hydrogen combine to form helium, they produce vast amounts of heat and light.

5 0
3 years ago
NEED HELP QUICK PLEASE HELP
kozerog [31]

Answer:

Question 1

D

Question 2

C

Question 3

D

Explanation:

1. An ecosystem is MOST likely to return to its original condition after Tall prairie grass burns after being struck by lightning.

Here is a research paper in which they explained how this happened. (Komarek, E. V. (1971). Lightning and fire ecology in Africa. In Tall Timbers Fire Ecology Conference (Vol. 11, pp. 473-509).)

2. In some national parks, controlled fires are maintained by firefighters. The major reasons for using controlled burns to maintain certain ecosystems is to give nonnative plants a chance to colonize the region.

A recent article provided the insight of this situation (Xanthopoulos, G., Delogu, G. M., Leone, V., Correia, F. J., & Magalhães, C. G. (2020). Firefighting approaches and extreme wildfires. In Extreme Wildfire Events and Disasters (pp. 117-132). Elsevier.)

3. One reason for the change in the Galápagos ecosystem has been the introduction of species that were not on the island before, such as donkeys, goats, cats, dogs, and insects. The introduction of nonnative species MOST likely disrupt the balance of life on the islands due to greater competition for limited food sources.

Scientist said that food competition is actually a struggle to survive in any ecosystem here is the reference paper (Eckhardt, R. C. (1972). Introduced plants and animals in the Galapagos Islands. Bioscience, 22(10), 585-590.)

5 0
2 years ago
Cultural evolution and biological evolution are similar in some ways. Important distinctions between them include:
Alenkasestr [34]

Answer:

i would go with b

Explanation:

Both are based on variation, heredity and selection, but how these appear and work differ. Biological evolution is unconscious, opportunistic and not goal-directed, while cultural evolution is conscious, at best planned, and can have a goal.

8 0
2 years ago
How does a cells surface area change compared to its volume when the cell grows
EastWind [94]

Answer:

As a cell grows bigger, its internal volume enlarges and the cell membrane expands. Unfortunately, the volume increases more rapidly than does the surface area, and so the relative amount of surface area available to pass materials to a unit volume of the cell steadily decreases.

5 0
2 years ago
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