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777dan777 [17]
3 years ago
13

Ecologists survey the tree species in two forest plots. plot 1 has six different species, and 95 percent of all trees belong to

just one species. plot 2 has five different species, each of which is represented by approximately 20 percent of the trees. compared with plot 1, plot 2 has __________.
Biology
1 answer:
Kitty [74]3 years ago
4 0

In this case, the plot 1 is very rich in the single species; it is dominated by a particular species, which occupy 95% share. While in the plot 2 are rich in the number of species, it has 5 species occupying 20% share.  

In comparative analysis, it is seen the plot 1 is rich in species, but diversity is very less. While, plot 2 is rich in the diversity of species, as 5 different species are present, but it is not rich in a particular species.

Hence, compared with plot 1, plot 2 has greater species diversity and lower species richness.


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A large forested area is fragmented into small forest tracts separated by agricultural areas. This change will most likely lead
shtirl [24]

Answer:

Can lead to a drastic change, resulting in a decrease in the gene flow among the species of the original forest before fragmentation.

Explanation:

A forest that is divided into small pieces or areas for agricultural purposes will definitely drive away the organisms originally residing in the forest, thereby reducing the rate of mating, and subsequently decreasing the gene flow.

Agricultural areas are areas of land which are devoted to agriculture. That is, for cultivation of crops and rearing of livestock, most especially for commercial purposes.

4 0
4 years ago
What are the stages of labor and delivery?
Lina20 [59]

The correct answer is C. Dilation, strong contractions, and delivery of the baby and the placenta

Explanation:

Labor and delivery is divided into three main stages: the first stage includes the latent phase in which cervical dilation begins (3 to 5 cm) along with mild contractions and the active phase in which strong contractions occur along with complete or almost complete dilation; the second phase is the fetus expulsion or delivery in which the cervix is fully dilated and the baby is born; and the third stage is the delivery or expulsion of the placenta that occurs as the placenta separates from the uterus and is expulsed through mild contractions. Thus, stages of labor and delivery are dilation, strong contractions, and delivery of the baby and the placenta.

4 0
3 years ago
Read 2 more answers
Echinoderms _____. _____ Select one: a. have an exoskeleton of hard calcareous plates b. often use tube feet to move around in t
atroni [7]

Answer:

B. often use tube feet to move around in their environment

Explanation:

Tube feet are tiny tubular projections of echinoderms on the underside (oral side). They are a member of the echinoderm water vascular system.

Tubular feet are used for feeding, breathing and shifting. They are arranged around the sides, in grooves. They work by hydraulic pressure. They are used to transfer food in the centre to the oral mouth, and may stick to surfaces. Tube feet allow certain animals to stick and travel slowly to the ocean floor. for example starfish uses tube feet for the above functions.

Hence, the correct option is B.

4 0
4 years ago
An example of multiple allelism in humans is A) albinism. B) cystic fibrosis. C) ABO blood groups. D) sickle cell disease
Papessa [141]

The answer is C. The others have just one dominant and recessive allele.

6 0
3 years ago
What converts solar energy (sunlight) into chemical energy through photosynthesis
german

Answer:

Hello!

Your answer is PLANTS!

Explanation:

During Photosynthesis, PLANTS absorb the radiation from the sun (sunlight/heat) and convert it into chemical energy (glucose/starches etc)

The green pigments on the leaves are called CHLOROPHYLL and the main purpose of them is to act like Solar Panels and absorb the light energy (solar energy)

HOPE THIS HELPS!

itsMATT04

7 0
3 years ago
Read 2 more answers
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