Neurobiologists have long recognized that fish have nervous systems that comprehend and respond to pain. Fish, like “higher vertebrates,” have neurotransmitters such as endorphins that relieve suffering—the only reason for their nervous systems to produce these painkillers is to alleviate pain.

The abilities necessary for sentience appear at a certain stage in humans, as in other species, and brain damage can result in those abilities being lost so not all humans are sentient. Sentient animals include fish and other vertebrates, as well as some molluscs and decapod crustaceans.

Sapience is sometimes simply defined as wisdom. WDC argues that whales and dolphins are sentient AND sapient individuals. Many of these species live in complex social groups, exhibiting complex behaviours such as cooperation, tool use and some whales and dolphins clearly even have their own cultures.

What they found was that both the female and the male she had chosen were slower to spawn and became a little more glum. This shows us that fish do feel companionship and that it’s not just humans or mammals, so love really is in the water!

Given that plants do not have pain receptors, nerves, or a brain, they do not feel pain as we members of the animal kingdom understand it. Uprooting a carrot or trimming a hedge is not a form of botanical torture, and you can bite into that apple without worry.

It could lead to major changes in the fishing industry. That their brains are not complex enough to experience pain. That their behaviors when stressed — such as wriggling violently on a hook — are just unconscious reactions, disconnected from the suffering of sentient beings.

Yes, Some Plants Do “Scream” When They’re Cut —You Just Can’t Hear It. Like any living thing, plants want to remain alive, and research shows that when certain plants are cut, they emit a noise that can be interpreted as a scream.

Trees can have either male or female parts. In addition, there are also trees that do not contain any flowers at all, making it even harder to figure out the tree’s gender. Dioecious Trees. If a tree is dioecious it only has male or female parts, not both.

Trees also communicate through the air, using pheromones and other scent signals. Giraffes, you might say, know that the trees are talking to one another. Trees can detect scents through their leaves, which, for Wohlleben, qualifies as a sense of smell. They also have a sense of taste.

Don’t look now, but that tree may be watching you. Several lines of recent research suggest that plants are capable of vision—and may even possess something akin to an eye, albeit a very simple one. The idea that plants may have “eyes” is, in a way, nothing new.

The Great Basin Bristlecone Pine (Pinus Longaeva) has been deemed the oldest tree in existence, reaching an age of over 5,000 years old. The Bristlecone pines’ success in living a long life can be contributed to the harsh conditions it lives in.

New research says “Yes!” It’s true! Trees droop their branches at night and lean over. This drooping is not the full bow often associated with a Broadway play in New York.

Elephants

Trees contribute to their environment by providing oxygen, improving air quality, climate amelioration, conserving water, preserving soil, and supporting wildlife. During the process of photosynthesis, trees take in carbon dioxide and produce the oxygen we breathe.

Around 30% of our planet is covered in trees. Trees are majestic, help biodiversity and can reduce climate change. In fact, according to one estimate, if we planted 1.2 trillion trees, we’d cancel out a decade’s worth of CO2 emissions by the time the forests mature. …

Trees will definitely help us slow climate change, but they won’t reverse it on their own. Deforestation is actually one of the biggest sources of carbon dioxide, because when trees are cut down much of the carbon stored within them escapes into the air – especially if the wood is burned.

It is estimated that 20 million trees would take up 180 km2 (69 sq mi) of land, absorb around 1.6 million tons of carbon and remove 116 thousand tons of chemical air pollution from the atmosphere.

The environmental impact of #TeamTrees is significant: according to a U.S. Forest Service analysis, planting 20 million trees will absorb 1.6 million tons of carbon – the equivalent of taking 1.24 million cars off the road for a year.

By planting 20 million trees, the earth and its people will be provided with 260 million more tons of oxygen. Those same 20 million trees will remove 10 million tons of CO2.

Planting 1 million trees is great….Getting to a billion (in returns)

	Improper planting	Proper planting
Costs over 50 years	$5,811.95	$16,341.75
Net lifecycle cost over 50 years	-$3,094.29	$25,427.22
Return on investment after 50 years	-47%	250%
Scaled to 1M trees over 50 years	-$3 Billion	$25 Billion

As trees grow, they help stop climate change by removing carbon dioxide from the air, storing carbon in the trees and soil, and releasing oxygen into the atmosphere.

A 2019 study from the Swiss Institute of Integrative Biology suggested that planting 1 trillion trees would dramatically reduce the amount of carbon in the atmosphere and significantly help stop global climate change.

Individuals Can Offset Their Own CO2 Emissions by Planting Six Trees Per Month. Individuals Can Offset Their Own CO2 Emissions by Planting Six Trees…

As trees grow and consume air, they remove harmful pollutants from the air. Reforestation helps re-establish forest cover and improve our “natural air filter.”

Life is essentially cognitive and conscious. And, consciousness, which is fundamental, manifests itself in the gradational forms of all sentient and insentient nature.

Plants are qualitatively different from humans and sentient nonhumans in that plants are certainly alive but they are not sentient. Plants do not have interests. There is nothing that a plant desires, or wants, or prefers because there is no mind there to engage in these cognitive activities.

It is with this part of the soul that the human being starts having a really, non-physical inner life, albeit dependent of the impulses that arrive through the physical body. Feelings that we have in common with animals, such as fear, pain, sympathy or antipathy, are also manifestations of the Sentient Soul.

While technically classed as “animals”, they are devoid of any brain or nervous system, and most can’t even control where they move.

Lacking brains, blood, or even hearts, jellyfish are pretty simple critters. They are composed of three layers: an outer layer, called the epidermis; a middle layer made of a thick, elastic, jelly-like substance called mesoglea; and an inner layer, called the gastrodermis.

In the adult, or medusa, stage of a jellyfish, they can reproduce sexually by releasing sperm and eggs into the water, forming a planula. The polyps clone themselves and bud, or strobilate, into another stage of jellyfish life, called ephyra. It is this form that grows into the adult medusa jellyfish.

You can eat jellyfish in many ways, including shredded or sliced thinly and tossed with sugar, soy sauce, oil, and vinegar for a salad. It can also be cut into noodles, boiled, and served mixed with vegetables or meat. Prepared jellyfish has a delicate flavor and surprisingly crunchy texture.

The Portuguese man o’ war, (Physalia physalis) is often called a jellyfish, but is actually a species of siphonophore, a group of animals that are closely related to jellyfish. While the man o’ war’s sting is rarely deadly to people, it packs a painful punch and causes welts on exposed skin.

How should a jellyfish sting be treated? If you or a family member get stung by a lion’s mane jellyfish, don’t panic: as stated above, these stings may be painful, but they are rarely fatal.

Jellyfish stings vary greatly in severity. Most often they result in immediate pain and red, irritated marks on the skin. Some jellyfish stings may cause more whole-body (systemic) illness.

To date, there’s only one species that has been called ‘biologically immortal’: the jellyfish Turritopsis dohrnii. These small, transparent animals hang out in oceans around the world and can turn back time by reverting to an earlier stage of their life cycle.

While jellyfish stings are painful, most are not emergencies. But stings from some types of jellyfish — such as the box jellyfish (also called sea wasp) — are very dangerous, and can even be deadly. These jellyfish are most often found in Australia, the Philippines, the Indian Ocean, and central Pacific Ocean.

2 to 5 minutes

Can you survive a box jellyfish sting? Box jellyfish stings can be fatal because of the creature’s barbed tentacles containing venom. Not all stings will cause death. But there isn’t a conclusive number of deaths from box jellyfish each year because some believe not all fatalities are reported.

Australian box jellyfish

Mosquitoes

10 of the World’s Most Dangerous Fish

• Candiru.
• Great White Shark.
• Moray Eel.
• Tigerfish.
• Piranha.
• Stonefish. Stonefish (Synanceia verrucosa).
• Atlantic Manta. manta ray moodboard—moodboard/Thinkstock.
• Electric Eel. electric eel Toni Angermayer/Photo Researchers.

Pufferfish

Oleander

Rafflesia arnoldii

Montsechia vidalii