0
Smaller birds and mammals have a higher metabolic rate than larger ones because they have a higher surface to volume ratio. That means they lose heat faster, and don't have as much body mass to generate heat. To keep their body temperature well above the temperature in their environment, they have to burn more fuel (food), breathe in more oxygen, and pump blood faster. Cold blooded animals don't show the same big differences in metabolism relative to their size.
What else can I help you with?
Why is pulse rate faster in small and young animals compared to that in large and older animals?
Small and young animals have higher metabolic rates and energy requirements, which lead to faster pulse rates to deliver oxygen and nutrients efficiently. Additionally, small animals have a higher surface area to volume ratio, requiring more rapid circulation to maintain body temperature. As animals age and grow larger, their metabolic rate typically decreases, leading to a slower pulse rate.
What organ beats faster if you are smaller?
The heart beats faster in smaller organisms because they have a higher metabolic rate and need more oxygen and nutrients to sustain their bodies compared to larger organisms. This results in a faster heart rate to circulate blood efficiently.
Why do young animals breathe faster than oldre animals?
Young animals have faster respiratory rates because they have higher metabolic demands for growth and development. Their organs and tissues are actively growing and need more oxygen to support their rapid growth. As animals age, their metabolic rate and growth slow down, resulting in a decrease in respiratory rate.
Why is pulse rate faster in small animals compared to that in large animals?
Small animals typically have faster pulse rates than larger animals due to their higher metabolic rates. They require more energy to support their rapid activities and bodily functions, leading to an increased demand for oxygen and nutrients that is met by a quicker heart rate. Additionally, smaller body sizes result in a larger surface area-to-volume ratio, which causes them to lose heat more rapidly and necessitates a faster circulation to maintain body temperature.
Do small animals have smaller cells?
While small animals do tend to have smaller cells in comparison to larger animals, the relationship between an animal's size and its cell size is not always direct. Cell size can vary greatly within and among species, depending on various factors such as metabolic rate, growth rate, and specific cell functions.
Do smaller animals live longer than bigger animals?
In general, smaller animals tend to live shorter lives than larger animals. This is known as the "rate-of-living theory," which suggests that animals with higher metabolic rates tend to have shorter lifespans. However, there are many exceptions to this rule, and lifespan can be influenced by a variety of factors such as genetics, environment, and evolutionary adaptations.
Why is it good to have a fast metabolic rate?
You can lose weight a lot faster and dissolve sugar faster.
Does cellular respiration maintain the high metabolic rate in animals?
High metabolic rate need a lot of energy. So this is supplied by respiration
Why is a mouse pulse rate faster than an elephant pulse rate?
Mouse doesnt have a pulse rate, but it has a faster heartbeat rate coz its smaller in size,the smaller the animal is,the higher the heartbeat rate it has!!!!
Which abiotic factor has the biggest effect in the metabolic rate of animals?
tempreture
WHAT DO BASAL METABOLIC RATE MEAN?
Basal metabolic rate (BMR), and the closely related resting metabolic rate (RMR), is the rateof energy expenditure by humans and other animals at rest, and is measured in kJ per hour per kg body mass.
Do women have faster pulses than men?
Yes. Smaller animals such as the hummingbird tend to have a (much) faster pulse than bigger animals such as a beluga whale. Likewise women have a faster heartbeat because they are smaller than their male counterparts. General rule of thumb; the smaller the organism, the faster the pulse.
