Eggs are survival machines, writes Jules Howard. ... As they have always done, invertebrate eggs are adapting quickly, ...

Anxiety, the psychological and physiological state characterized by an anticipation of potential threats and a heightened ...

The invertebrate uses a genital pore on the right side of its body, just below the head, to simultaneously exchange sperm with another snail, which is stored until each creates an egg.

In animals that are external fertilizers, which includes many fish and aquatic invertebrates, eggs and sperm meet outside the body, so traditional mate choice mechanisms may not apply. “In external ...

Read More: How Climate Change Is Leading to an ‘Ecological Recession’ Mild winters are affecting other problematic invertebrates, too. In the U.S., cases of Lyme disease, spread through blood ...