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Vlad1618 [11]
3 years ago
11

Which description is a characteristic of r-selection strategy? A. most offspring reach adulthood B. reaches reproductive capabil

ity after several years C. possesses low parental involvement after fertilization D. has a long life span
Biology
1 answer:
Aleks04 [339]3 years ago
3 0

Answer:

C

Explanation:

R-selection strategy organisms produce many offspring but very few reach the adult stage. This is because they are little parental care after fertilization. An example of an R-strategist organism is fish and mice. K strategist, on the other hand, produces few offspring and give more parental care to them.

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Technology can have good and bad effects. What is a bad effect of spraying pesticides on crops with the use of airplanes?
Anastaziya [24]

The correct answer is option a, that is, It is sometimes sprayed too far from the crops.

The use of pesticides on crops may exhibit a significant threat to the environment, mainly in and nearby to water sources with sensitive ecosystems, sources area, public drinking water, residential areas, and recreational waters.  

Aircraft spray of pesticides takes place from a greater altitude than the ground-based equipment and on a major scale, both of these elements may enhance the threat of spray drift.  


6 0
3 years ago
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The primary reason a bird can perch harmlessly on bare high voltage wires is that
VashaNatasha [74]
The reason is because of the theory "the path of least resistance." The bird is not touching anything else, so it doesn't become our fried birdie dinner.
3 0
4 years ago
How do scientists study pollen grains to help them understand climate change ?​
Kipish [7]

Answer: by analyzing and making inferences about them

by observing and listing facts about them

by studying and reading more about them

by inspecting them and sharing findings with other scientists

7 0
3 years ago
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Drag each label into the proper position to identify whether the indicated structure is located on the femur, humerus, or both.
Evgen [1.6K]

Femur: Greater trochanter-Gluteal tuberosity. Humerus: Coronoid fossa-Intertubercular sulcus-Trochlea-Lesser tubercle-Deltoid tuberosity-Olecranon fossa. Both, femur and humerus: Medial epicondyle-Capitulum-Intercondylar fossa-Lateral epicondyle-Head.  

Further Explanation:

Femurs:  

femurs or femora, or thigh bone, is the proximal bone of the hindlimb in tetrapod vertebrates. The head of thefemur explains with the hip bone socket in the pelvic bone framing the hip joint, while the distal piece of the femurarticulates with the tibia and kneecap shaping the knee joint.  

Humerus:  

The humerus is the long bone in the upper arm. It is situated between the elbow joint and the shoulder. At the elbow, it associates essentially to the ulna, as the lower arm's outspread bone interfaces with the wrist. At the shoulder, the humerus associates with the edge of the body by means of the glenoid fossa of the scapula.  

Femur or humerus:  

Humerus is situated in the upper arm, while femur is found in the upper leg. The length and the normal breadth of the femur are higher than that of humerus.Femur is the biggest bone in the body while humerus is the second biggest. Femur is more grounded than humerus.  

humerus and the femur comparative:

The humerus and the femur are relating bones of the arms and legs, separately. While their parts are comparable by and large, their structure has been adjusted to contrasting capacities. The leader of the humerus is practically hemispherical, while that of the femur shapes around 66% of a circle.

Subject: biology

Level: college

Keywords: femurs, humerus, femur or humers, humerus and the femur comparative.  

Related links:

Learn more about evolution on

brainly.com/question/3953793

brainly.com/question/1820994

8 0
3 years ago
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Aphids are eating Jan’s Peace roses. She wants to test some household chemicals to see if they will kill the aphids. She used bl
laiz [17]

In an experiment, independent variables are those which are changed or manipulated to find the value of dependent variables. Here number of roses is dependent variable because its number depends on how many aphids are present. So option A is incorrect. Kinds of aphids killed is also dependent variable, because its population depends on how much chemical is sprayed to kill it. So, option C is also incorrect. Kind of rose is irrelevant, because aphids will eat any kind of rose. So the right answer is - <u>Option B, kinds of chemicals used</u>. This is because it will determine the number of aphids left and population of roses.

5 0
3 years ago
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