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Andrej [43]
1 year ago
5

1. Which two structures are found in all plant epidermal cells? A cell wall and chloroplasts B cell wall and nucleus C chloropla

sts and starch grains D nucleus and starch grains
Biology
2 answers:
DochEvi [55]1 year ago
6 0

Answer:

Cell wall and chloroplasts is correct option.

Explanation:

Hope it will help ^_^

Soloha48 [4]1 year ago
5 0

Answer:

B. cell wall and nucleus.

Explanation:

the cell wall, cell membrane, nucleus, cytoplasm and a large vacuole are contained in all plant cells.

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A stream of water holds thriving bacteria. If drought conditions caused the stream to dry up, how would the bacteria mostly like
Alexeev081 [22]

The answer is they produce endospores.

Explanation:

The endospores are dormant, non-reproductive, tough bacterial spores that ensure the survival of bacteria in adverse conditions.

During the environmental stress, such as starvation, desiccation, radiation and chemical treatment many bacteria form dormant endospores. These endospores germinate again when the conditions become favorable.

Hence, if drought conditions lead the stream to dry up, the bacteria that live there would produce endospores to survive.

4 0
2 years ago
According to the phylogenetic tree diagram, modern birds are most closely related to ___________.
ra1l [238]
Phylogenetic tree is the evolutionary tree that shows the inferred evolutionary relationships among various biological species and organisms. <span>Phylogenetic relationship” refers to the relative times in the past that species shared common ancestors.</span>
According to the phylogenetic tree diagram, modern birds are most closely related to an advanced dinosaur. 

3 0
2 years ago
Fill in the blanks:1. A joints that is only slightly moveable is classified as a(n) ___________ joint. 2. The elbow is an exampl
expeople1 [14]

Answer:

1. Cartilaginous joints

2. Freely movable (Synovial) joints

3. Temporomandibular joint

4. Arthritis

5. Synchondrosis

Explanation:

1. Cartilaginous joints are those who permits some movements but provide less stability that immovable joint, these joints are slightly movable.

2. Freely movable joints are synovial joints. These joints have a joint cavity between connecting bones, and allow for greater mobility. However, they are less stable than fibrous and cartilaginous joints. For example: elbow.

3. Temporomandibular joint is a like a hinge and a ball and socket joint at the same time. It is a simple hinge that permits to chew.

4. Arthritis is a term that describes inflammation in joints. Some of them include: rheumotaoid arthritis, psoriatic arthritis, etc.

5. Synchondrosis is a joint in which the articulating surfaces are close together but are bound by a hyaline cartilage, which can converts to either bone o fibrocartilage.

6 0
2 years ago
In humans, black hair (B) is dominant over red hair (b) and having six fingers (F) is dominant over having five fingers (f). Sal
Lera25 [3.4K]

Answer:

Genotype  & Phenotype  

BbFf  - 4  

bbFf - 4

Bbff - 4

bbff- 4

Phenotype  

BbFf – Black Hair with six fingers

bbFf – red hair with six fingers

Bbff – Black hair with five fingers

Bbff – red hair with five fingers

Explanation:

Given

Black hair allele is represented by "B"

Red hair allele is represented by "b"

Trait of having six fingers is represented by "F"

Trait of having five fingers is represented by "f"

Also , B is dominant over b and F is dominant over f

Genotype of sally having black hair and five fingers when her father has red hair is  Bbff

Genotype fo Bill having red hair and six fingers  when his mother had five fingers is bbFf

Bbff * bbFf

Bf         bf         Bf         bf

bF BbFf bbFf BbFf bbFf

bf Bbff         bbff         Bbff         bbff

bF BbFf bbFf BbFf bbFf

bf Bbff         bbff         Bbff         bbff

Genotype  & Phenotype  

BbFf  - 4  

bbFf - 4

Bbff - 4

bbff- 4

Phenotype  

BbFf – Black Hair with six fingers

bbFf – red hair with six fingers

Bbff – Black hair with five fingers

Bbff – red hair with five fingers

5 0
2 years ago
The map shows areas of upwelling climate scientist predict that upwelling may intensify along the western coast of the United St
miskamm [114]

The answer is A. More abundant marine species

Upwelling will cause the movement of nutrient-rich water to the ocean surface. This will makes the water to have more nutrient, so there will be more photosynthesis happens. Photosynthesis will produce more food, so the amount of marine species that could survive would be higher.

8 0
2 years ago
Read 2 more answers
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