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kicyunya [14]
4 years ago
12

Which of the following is a possible consequence associated with prolonged exposure to lead?

Biology
1 answer:
Leya [2.2K]4 years ago
7 0
Death can be caused by breathing in lots of lead
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What characteristic of are found in veins but not arteries?
Paul [167]

Answer: Possession of Valves

Explanation: Veins possess valves which ensures that blood flows in only one direction. Valves helps blood to flow back to the heart against gravitational force.

Arteries don't have valves because the pressure originating from the heart is capable of causing the blood to flow in one direction.

7 0
3 years ago
  An organism takes care of its young and produces few offspring. What type of organism is this? 
erma4kov [3.2K]

Answer:

K-strategists

Explanation:

Reproductive pattern in organisms can be typically categorised into two:

1. K- Strategy

2. R- Strategy

K-strategists are organisms that lives in very stable environments and gives birth to fewer organisms. Most of these organisms reproduce close the carrying capacity of their habitat. They offer support and protection to their progeny to the points where they become indepedent. The mortality rate is very low in such organisms and so is the birth rate too.

R-strategists are organisms whose main aim is to populate and dominate an environment. They reproduce exponentially and offers no life support to their progeny in their early developmental stage. They often occupy unstable and highly unpredictable environments. Most R organisms have a very low and short life expectancy. Since they produce more offspring and they live under adverse environments, mortality rate is high.

Examples of K-strategists are elephants and man

Examples of R-stategists are grasses and microbes.

4 0
3 years ago
Read 2 more answers
correct descriptions​ sense changes in chemical composition​ sense pain​ sense stretching, pressure or vibrations​ senses light​
Shtirlitz [24]

Extremes in temperature, pressure, and chemicals associated with injury are detected by specialized peripheral sensory neurons known as nociceptors, who then translate these stimuli into long-range electrical signals that are transmitted to higher brain centers. This alerts us to potentially harmful stimuli at the skin. A wide range of pain characteristics are produced by the activation of functionally different cutaneous nociceptor populations and the processing of the information they relay. Current research in this area is giving scientists a deeper understanding of the molecular and systems levels of nociceptor cell biology as well as knowledge that will enable the focused design of innovative pain treatments.

<h3>What is Chemical composition sense ?</h3>

Chemical senses (sometimes called chemical sensors) are sensory organs and neurological systems that are used to detect molecules in the environment or biological signals and to process those molecules neurally

To know more about Chemical sense please click here ; brainly.com/question/11231920

#SPJ4

6 0
2 years ago
Farmers sprayed leechi trees to suppress populations of scale insects. this also killed the populations of a predatory lacewing
Ahat [919]

Answer:

few predatory lacewings exist in the trees now because they were killed by the spray.

Explanation:

The spray that farmers used, as noted, also killed the populations of a predatory lacewing.

Due to this, few predatory lacewing remained that could not fully deal with the scale population.

This in turn led to the multiplication of scale now that their predators had been done away with.

8 0
3 years ago
Photosynthesis is possible only in the leaves true or false
NISA [10]
False : Plants, algae and many species of bacteria can make their own sustenance through the process of photosynthesis. They harness sunlight to drive the chemical reactions in their bodies that produce sugars
6 0
3 years ago
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