A thorned heart orb weaver spider (Micrathena clypeata) carefully builds an egg sac at night. The multilayered, complex structure physically protects the eggs and hatchlings against predators, parasites, and fluctuating temperatures
A thorned heart orb weaver spider (Micrathena clypeata) carefully builds an egg sac at night. The multilayered, complex structure physically protects the eggs and hatchlings against predators, parasites, and fluctuating temperatures