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-Dominant- [34]
2 years ago
11

Seeds are a derived character of the spermatophytes. All of the plants in this clade reproduce using seeds. However, embryo form

ation is also a trait of the spermatophytes. Do you think true water-conducting tissue is a derived character of either embryophytes or green algae?
Biology
1 answer:
Natasha2012 [34]2 years ago
4 0

Embryophyta is a clade within the Phragmoplastophyta, a larger clade that also includes several green algae groups. Embryophytes are the plants growing on land which include hornworts, liverworts, gymnosperms, flowering plants etc while green algae mostly thrive in aquatic environment.

The conduction of water requires vascular tissue called xylem. In green algae, it is not necessary to have water conducting tissue as the entire body is in contact with water. However in embryophytes, having a vascular tissue is an adaptation that ensures to provide water to the higher parts of the plant which is not directly in contact with the soil.

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In a particular human family, John and his mother both have brachydactyly (a rare autosomal dominant allele causing short finger
Luba_88 [7]

Answer:

Brachydactyly and Huntington are phenotypic diseases that develop when a person has one or two dominant alleles for these traits.

John's father has the Huntington disease, but not brachydactyly so his genotype is Hh/bb.

John's mother is a healthy women with brachydactyly, so her's genotype is probably hh/BB or hh/Bb.

5 0
2 years ago
Can we still recover the lost biodiversity? Why or why not?
photoshop1234 [79]

Yes, we can recover it. But not the same as before. Maybe we will make a new one. By planting trees and cleaning the area.The loss of biodiversity has two significant impacts on human health and the spread of disease. First, it increases the number of disease carrying animals in local populations. ... At the same time, habitat fragmentation brings humans in closer and more frequent contact with these disease carrying species.Participating in Biodiversity Conservation. Identify locations of critical wildlife habitat for species at risk and the threats to these areas. ... Keep vehicles on main roads to reduce the spread of weeds and disturbance to wildlife. Monitor and assess your pets' impact on biodiversity.

Hope this helped <3

8 0
1 year ago
Suzanne wants to conduct research on the growth of pollution in the United States between the years 2005 and 2015. She believes
Zanzabum

Geographic Information Systems (GIS) tool will allow Suzanne to analyze and visualize data on a map. Geographic Information Systems is a computer-based tool that is used for analyzing, storing, manipulating and visualizing geographic information, usually in a map. GIS can include information about location, people, landscape and sites of factories.






6 0
1 year ago
Read 2 more answers
The aquatic plant Elodea is commonly used to study photosynthesis. You put some Elodea in a test tube, shine light on the plant,
Marrrta [24]

Answer:

The photosynthetic rate refers to a determination of maximum rate at which leaves possess the tendency to fix carbon at the time of photosynthesis. The simple way by which the photosynthetic rate can be determined is by measuring the concentration of carbon dioxide produced.  

It is known that the concentration of carbon dioxide, light intensity, and temperature are the three main elements, which affect photosynthesis. The enhanced concentration of carbon dioxide and higher light intensity results in higher photosynthetic rates.  

In the given case where Elodea is used to study photosynthesis, it can be seen that at high light intensities, the concentration of bubbles increases as there is an elevation in the concentration of carbon dioxide.  

8 0
2 years ago
Cocaine has two effects on synaptic transmission: it impairs reuptake of dopamine and it causes more dopamine to be released int
Veronika [31]

<span>Cocaine is an indirect agonist of dopamine <span>receptors which</span> means he </span>has no specific agonist activity at the dopamine receptor<span> but he enhances his activity. Cocaine</span> acts by binding to the dopamine transporter, blocking the removal of dopamine from the synapse and blocking termination of dopamine signalling. As a result, it increases the extracellular concentration of dopamine and therefore signal to the receiving neurons is amplified.

6 0
2 years ago
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