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Biology
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11 Dec 2019

For which of the following biomes is the biological activity the most constant throughout the year?
a. Tundra
b. Tropical rainforest
c. Thorn forest and tropical savanna
d. Chaparral

e. Hot desert

Which biome is dominated by low-growing shrubs and trees that have tough, evergreen leaves?
a. Hot desert
b. Thorn forest and tropical savanna
c. Tundra
d. Tropical evergreen forest
e. Chaparral

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Related questions

Hello, I need help on these. Please explain if you can! Thank you.

Fire is a common occurrence in prairie grasslands. What do you think would happen to a grassland area if fire were excluded for many decades?

A. some trees would slowly begin to appear.
B. there would be no change.

C. it would become a desert.

D. it would slowly turn into a tropical rainforest รขย€ย‹

You were strolling in art museum with a friend and paused to admire a painting of a forest. You noticed tall emergent trees, dense canopy full of wildlife, a lot of climbers and pretty epiphytes. Your friend is eager to know what type of forest it is. What would you say?

A. it is definitely a tropical rain forest
B. it is a montane coniferous forest
C. it must be a mangrove forest
D. it is a temperate deciduous forest

D. it would slowly turn into a tropical rainforest

Tundra plants rely on vegetative reproduction or autogamy for reproduction. Why?

A. vegetative reproduction and autogamy greatly increase genetic diversity.
B. There must be low numbers and unreliability of pollinators.
C. these two reproduction methods make the plants more adaptable to changing conditions.

D. outbreeding only weakens subsequent generations.


Which of the following sets of organisms would you expect to find in a herb barren (a polar desert)?

A. mosses, mangroves, lichens
B. conifers, lichens, cyanobacteria
C. None; herb barrens cannot support life.
D. mosses, lichens, cyanobacteria
E. Lianas, lichens, epiphytes

Question 1

Which of the following biological molecules is amphipathic and a major component of the cell wall?

Select one:

a. cholesterol

b. phospholipids

c. proteins

d. carbohydrates

Question 2

The cell wall of a bacteria is composed of รขย€ยฆ

Select one:

a. cellulose

b. chitin

c. peptidoglycan

d. all of the above

Question 3

All cells are surrounded by plasma membranes.

Select one:

True

False

Question 4

Which of the following biomes is characterized by warm climate with excessive of rainfall.

Select one:

a. tundra

b. tropical rain forest

c. estruary

d. chaparral

Question 5

Which statement about the taxonomic classification system is correct?

Select one:

a. There are more kingdoms than phyla.

b. Classes are the top category of classification.

c. Classes are divisions of orders.

d. Subspecies are the most specific category of classification.

e. all of the above

Question 6

For organisms that are facultative anaerobes, alcohol fermentation takes place only if:

Select one:

a. the atmosphere does not contain oxygen

b. the temperature is close to 37ร‚ยฐC

c. sugar is provided to the cells

d. light is provided to the cells

Question 7

In which cellular organelle does aerobic respiration occur?

Select one:

a. nucleus.

b. lysosome.

c. chloroplast.

d. mitochondrion

e. none of the above

Explain your answers, please.

Fire is a common occurrence in prairie grasslands. What do you think would happen to a grassland area if fire were excluded for many decades?

A. some trees would slowly begin to appear.
B. there would be no change.
C. it would become a desert.

D. it would slowly turn into a tropical rainforest

If you examine plant life in a very arid place like deathvalley, you may find some herbaceous desert plants that do not have any anatomical features for water conservation. How would you expect this as someone who has studied botany?

A. they absorb moisture from the atmosphere during night
B. they can grow with very little available water.
C. they can exist and grow for long periods on stored water.
D. they complete life cycle within the short time there is sufficient moisture.

E. they use crassulacean acid metabolism pathway

Which of the following is a difference between a prairie grassland and a savanna grassland?

A. Prairie soils are rich in nutrients
B. Savannas have provided some of the most productive agricultural lands.
C. Prairies support an immense population of animals.
D. Savannas have scattered tall trees

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