There are many that insects, microorganisms, and eventually plants can use for growth and development.
dead leaves,dried leaves,food crumbs
broccoli,carrots,and dead animal and insect
Oh, dude, dead leaves are not producers in the traditional sense of the word. They don't whip out tiny laptops and start creating content. They're more like retired producers, just chilling on the forest floor, decomposing and recycling nutrients back into the soil. So, yeah, they're kind of doing their own thing, but not in a Hollywood producer kind of way.
Crab apple tree leaves.
Any kind of dead leaf rotting in the tank will poison the water and kill the fish. Maple leaves do not belong in a fishes water.
A microorganism that lives in the soil and breaks down plant debris for nutrients is called a decomposer or saprotroph. These microorganisms play a crucial role in recycling nutrients in the ecosystem by breaking down dead organic matter into simpler compounds that plants can use for growth.
Mulch is made of dead plant matter, so it depends on the kind of plants in the mulch. either way, mulch is used to help plants retain water, not usually to give it nutrients.
Most deciduous trees lose their leaves in Autumn . . . trees like maples, linden trees, elm trees; however, oddly enough, many oak trees do not lose their leaves in Autumn. The leaves turn colors, and then die and turn brown. The dead leaves take their time to drop off. In my area, some oaks still have their dead leaves as late as early Spring.
The blood that leaves the frogs heart through the ventricles is almost pure blood. This blood goes to the brain.
The good kind! Dark green leaves..
Lutheran theologian Dietrich Bonhoeffer.